Placing the SVG output directly inline with the page code I am able to simply modify fill colors with CSS like so:
polygon.mystar {
fill: blue;
}
circle.mycircle {
fill: green;
}
This works great, however I'm looking for a way to modify the "fill" attribute of an SVG when it's being served as a BACKGROUND-IMAGE.
html {
background-image: url(../img/bg.svg);
}
How can I change the colors now? Is it even possible?
For reference, here are the contents of my external SVG file:
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
width="320px" height="100px" viewBox="0 0 320 100" enable-background="new 0 0 320 100" xml:space="preserve">
<polygon class="mystar" fill="#3CB54A" points="134.973,14.204 143.295,31.066 161.903,33.77 148.438,46.896 151.617,65.43 134.973,56.679
118.329,65.43 121.507,46.896 108.042,33.77 126.65,31.066 "/>
<circle class="mycircle" fill="#ED1F24" cx="202.028" cy="58.342" r="12.26"/>
</svg>
You can use CSS masks, With the 'mask' property, you create a mask that is applied to an element.
.icon {
background-color: red;
-webkit-mask-image: url(icon.svg);
mask-image: url(icon.svg);
}
For more see this great article: https://codepen.io/noahblon/post/coloring-svgs-in-css-background-images
I needed something similar and wanted to stick with CSS. Here are LESS and SCSS mixins as well as plain CSS that can help you with this. Unfortunately, it's browser support is a bit lax. See below for details on browser support.
LESS mixin:
.element-color(#color) {
background-image: url('data:image/svg+xml;utf8,<svg ...><g stroke="#{color}" ... /></g></svg>');
}
LESS usage:
.element-color(#fff);
SCSS mixin:
#mixin element-color($color) {
background-image: url('data:image/svg+xml;utf8,<svg ...><g stroke="#{$color}" ... /></g></svg>');
}
SCSS usage:
#include element-color(#fff);
CSS:
// color: red
background-image: url('data:image/svg+xml;utf8,<svg ...><g stroke="red" ... /></g></svg>');
Here is more info on embedding the full SVG code into your CSS file. It also mentioned browser compatibility which is a bit too small for this to be a viable option.
One way to do this is to serve your svg from some server side mechanism.
Simply create a resource server side that outputs your svg according to GET parameters, and you serve it on a certain url.
Then you just use that url in your css.
Because as a background img, it isn't part of the DOM and you can't manipulate it.
Another possibility would be to use it regularly, embed it in a page in a normal way, but position it absolutely, make it full width & height of a page and then use z-index css property to put it behind all the other DOM elements on a page.
Yet another approach is to use mask. You then change the background color of the masked element. This has the same effect as changing the fill attribute of the svg.
HTML:
<glyph class="star"/>
<glyph class="heart" />
<glyph class="heart" style="background-color: green"/>
<glyph class="heart" style="background-color: blue"/>
CSS:
glyph {
display: inline-block;
width: 24px;
height: 24px;
}
glyph.star {
-webkit-mask: url(star.svg) no-repeat 100% 100%;
mask: url(star.svg) no-repeat 100% 100%;
-webkit-mask-size: cover;
mask-size: cover;
background-color: yellow;
}
glyph.heart {
-webkit-mask: url(heart.svg) no-repeat 100% 100%;
mask: url(heart.svg) no-repeat 100% 100%;
-webkit-mask-size: cover;
mask-size: cover;
background-color: red;
}
You will find a full tutorial here: http://codepen.io/noahblon/blog/coloring-svgs-in-css-background-images (not my own). It proposes a variety of approaches (not limited to mask).
Use the sepia filter along with hue-rotate, brightness, and saturation to create any color we want.
.colorize-pink {
filter: brightness(0.5) sepia(1) hue-rotate(-70deg) saturate(5);
}
https://css-tricks.com/solved-with-css-colorizing-svg-backgrounds/
It's possible with Sass!
The only thing you have to do is to url-encode your svg code. And this is possible with a helper function in Sass. I've made a codepen for this. Look at this:
http://codepen.io/philippkuehn/pen/zGEjxB
// choose a color
$icon-color: #F84830;
// functions to urlencode the svg string
#function str-replace($string, $search, $replace: '') {
$index: str-index($string, $search);
#if $index {
#return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
}
#return $string;
}
#function url-encode($string) {
$map: (
"%": "%25",
"<": "%3C",
">": "%3E",
" ": "%20",
"!": "%21",
"*": "%2A",
"'": "%27",
'"': "%22",
"(": "%28",
")": "%29",
";": "%3B",
":": "%3A",
"#": "%40",
"&": "%26",
"=": "%3D",
"+": "%2B",
"$": "%24",
",": "%2C",
"/": "%2F",
"?": "%3F",
"#": "%23",
"[": "%5B",
"]": "%5D"
);
$new: $string;
#each $search, $replace in $map {
$new: str-replace($new, $search, $replace);
}
#return $new;
}
#function inline-svg($string) {
#return url('data:image/svg+xml;utf8,#{url-encode($string)}');
}
// icon styles
// note the fill="' + $icon-color + '"
.icon {
display: inline-block;
width: 50px;
height: 50px;
background: inline-svg('<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 30 30" enable-background="new 0 0 30 30" xml:space="preserve">
<path fill="' + $icon-color + '" d="M18.7,10.1c-0.6,0.7-1,1.6-0.9,2.6c0,0.7-0.6,0.8-0.9,0.3c-1.1-2.1-0.4-5.1,0.7-7.2c0.2-0.4,0-0.8-0.5-0.7
c-5.8,0.8-9,6.4-6.4,12c0.1,0.3-0.2,0.6-0.5,0.5c-0.6-0.3-1.1-0.7-1.6-1.3c-0.2-0.3-0.4-0.5-0.6-0.8c-0.2-0.4-0.7-0.3-0.8,0.3
c-0.5,2.5,0.3,5.3,2.1,7.1c4.4,4.5,13.9,1.7,13.4-5.1c-0.2-2.9-3.2-4.2-3.3-7.1C19.6,10,19.1,9.6,18.7,10.1z"/>
</svg>');
}
.icon {
width: 48px;
height: 48px;
display: inline-block;
background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/18515/heart.svg) no-repeat 50% 50%;
background-size: cover;
}
.icon-orange {
-webkit-filter: hue-rotate(40deg) saturate(0.5) brightness(390%) saturate(4);
filter: hue-rotate(40deg) saturate(0.5) brightness(390%) saturate(4);
}
.icon-yellow {
-webkit-filter: hue-rotate(70deg) saturate(100);
filter: hue-rotate(70deg) saturate(100);
}
codeben article and demo
Now you can achieve this on the client side like this:
var green = '3CB54A';
var red = 'ED1F24';
var svg = '<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="320px" height="100px" viewBox="0 0 320 100" enable-background="new 0 0 320 100" xml:space="preserve"> <polygon class="mystar" fill="#'+green+'" points="134.973,14.204 143.295,31.066 161.903,33.77 148.438,46.896 151.617,65.43 134.973,56.679 118.329,65.43 121.507,46.896 108.042,33.77 126.65,31.066 "/><circle class="mycircle" fill="#'+red+'" cx="202.028" cy="58.342" r="12.26"/></svg>';
var encoded = window.btoa(svg);
document.body.style.background = "url(data:image/svg+xml;base64,"+encoded+")";
Fiddle here!
Download your svg as text.
Modify your svg text using javascript to change the paint/stroke/fill color[s].
Then embed the modified svg string inline into your css as described here.
If you are trying to use and SVG directly on CSS with url() like this;
a:before {
content: url('data:image/svg+xml; utf8, <svg xmlns="http://www.w3.org/2000/svg" x="0" y="0" viewBox="0 0 451 451"><path d="M345.441,2...
You should encode the # to %23, otherwise it won't work.
<svg fill="%23FFF" ...
You can store the SVG in a variable. Then manipulate the SVG string depending on your needs (i.e., set width, height, color, etc). Then use the result to set the background, e.g.
$circle-icon-svg: '<svg xmlns="http://www.w3.org/2000/svg"><circle cx="10" cy="10" r="10" /></svg>';
$icon-color: #f00;
$icon-color-hover: #00f;
#function str-replace($string, $search, $replace: '') {
$index: str-index($string, $search);
#if $index {
#return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
}
#return $string;
}
#function svg-fill ($svg, $color) {
#return str-replace($svg, '<svg', '<svg fill="#{$color}"');
}
#function svg-size ($svg, $width, $height) {
$svg: str-replace($svg, '<svg', '<svg width="#{$width}"');
$svg: str-replace($svg, '<svg', '<svg height="#{$height}"');
#return $svg;
}
.icon {
$icon-svg: svg-size($circle-icon-svg, 20, 20);
width: 20px; height: 20px; background: url('data:image/svg+xml;utf8,#{svg-fill($icon-svg, $icon-color)}');
&:hover {
background: url('data:image/svg+xml;utf8,#{svg-fill($icon-svg, $icon-color-hover)}');
}
}
I have made a demo too, http://sassmeister.com/gist/4cf0265c5d0143a9e734.
This code makes a few assumptions about the SVG, e.g. that <svg /> element does not have an existing fill colour and that neither width or height properties are set. Since the input is hardcoded in the SCSS document, it is quite easy to enforce these constraints.
Do not worry about the code duplication. gzip compression makes the difference negligible.
You can use the brightness filter, any value greater than 1 makes the element brighter, and any value less than 1 makes it darker. So, we can make those light SVG’s dark, and vice versa, for example, this will make the svg darker:
filter: brightness(0);
In order to change the color and not only brightness level we can use sepia filter along with hue-rotate, brightness, for example:
.colorize-blue {
filter: brightness(0.5) sepia(1) hue-rotate(140deg) saturate(6);
}
You can create your own SCSS function for this. Adding the following to your config.rb file.
require 'sass'
require 'cgi'
module Sass::Script::Functions
def inline_svg_image(path, fill)
real_path = File.join(Compass.configuration.images_path, path.value)
svg = data(real_path)
svg.gsub! '{color}', fill.value
encoded_svg = CGI::escape(svg).gsub('+', '%20')
data_url = "url('data:image/svg+xml;charset=utf-8," + encoded_svg + "')"
Sass::Script::String.new(data_url)
end
private
def data(real_path)
if File.readable?(real_path)
File.open(real_path, "rb") {|io| io.read}
else
raise Compass::Error, "File not found or cannot be read: #{real_path}"
end
end
end
Then you can use it in your CSS:
.icon {
background-image: inline-svg-image('icons/icon.svg', '#555');
}
You will need to edit your SVG files and replace any fill attributes in the markup with fill="{color}"
The icon path is always relative to your images_dir parameter in the same config.rb file.
Similar to some of the other solutions, but this is pretty clean and keeps your SCSS files tidy!
In some (very specific) situations this might be achieved by using a filter. For example, you can change a blue SVG image to purple by rotating the hue 45 degrees using filter: hue-rotate(45deg);. Browser support is minimal but it's still an interesting technique.
Demo
If you wanna swap in a simple way from white to black or some like that, try this:
filter: invert(100%);
for monochrome background you could use a svg with a mask, where the background color should be displayed
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" preserveAspectRatio="xMidYMid meet" focusable="false" style="pointer-events: none; display: block; width: 100%; height: 100%;" >
<defs>
<mask id="Mask">
<rect width="100%" height="100%" fill="#fff" />
<polyline stroke-width="2.5" stroke="black" stroke-linecap="square" fill="none" transform="translate(10.373882, 8.762969) rotate(-315.000000) translate(-10.373882, -8.762969) " points="7.99893906 13.9878427 12.7488243 13.9878427 12.7488243 3.53809523"></polyline>
</mask>
</defs>
<rect x="0" y="0" width="20" height="20" fill="white" mask="url(#Mask)" />
</svg>
and than use this css
background-repeat: no-repeat;
background-position: center center;
background-size: contain;
background-image: url(your/path/to.svg);
background-color: var(--color);
Since this comes up on Google despite the age, I thought I might as well give a solution that I'm employing in the distant future of 2022 after looking at the options here.
This is really just the mask solution from before, but on a pseudo-element.
.icon {
height: 1.5rem;
width: 1.5rem;
}
.icon::before {
content: "";
display: block;
width: 100%;
height: 100%;
mask-repeat: no-repeat;
mask-position: center;
mask-size: contain;
mask-image: url("path/to/svg/icon.svg");
-webkit-mask-repeat: no-repeat;
-webkit-mask-position: center;
-webkit-mask-size: contain;
-webkit-mask-image: url("path/to/svg/icon.svg");
}
This works in all major browsers today, although obviously you can't have an SVG with multiple colors using this. That's the cost of business if the site doesn't let you inject them inline, or if you don't fancy doing font icons, etc.
Late to the show here, BUT, I was able to add a fill color to the SVG polygon, if you're able to directly edit the SVG code, so for example the following svg renders red, instead of default black. I have not tested outside of Chrome though:
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
width="500px" height="500px" viewBox="0 0 500 500" enable-background="new 0 0 500 500" xml:space="preserve">
<polygon
fill="red"
fill-rule="evenodd" clip-rule="evenodd" points="452.5,233.85 452.5,264.55 110.15,264.2 250.05,390.3 229.3,413.35
47.5,250.7 229.3,86.7 250.05,109.75 112.5,233.5 "/>
</svg>
The only way i found for this, and to be cross browser (aka bulletproof), is to render the SVG with PHP and pass Query String to set the color.
The SVG, here called "arrow.php"
<?php
$fill = filter_input(INPUT_GET, 'fill');
$fill = strtolower($fill);
$fill = preg_replace("/[^a-z0-9]/", '', $fill);
if(empty($fill)) $fill = "000000";
header('Content-type: image/svg+xml');
echo '<?xml version="1.0" encoding="utf-8"?>';
?>
<svg xmlns="http://www.w3.org/2000/svg" width="7.4" height="12" viewBox="0 0 7.4 12">
<g>
<path d="M8.6,7.4,10,6l6,6-6,6L8.6,16.6,13.2,12Z" transform="translate(-8.6 -6)" fill="#<?php echo htmlspecialchars($fill); ?>" fill-rule="evenodd"/>
</g>
</svg>
Then you call the image like this
.cssclass{ background-image: url(arrow.php?fill=112233); }
Works only with PHP. And remember that everytime you change the color value, your browser will load a new image.
scss create function
#function url-svg($icon) {
#return url("data:image/svg+xml;utf8,#{str-replace($icon, "#", "%23")}");
}
scss use
url-svg('<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.125 0H1.875C0.84082 0 0 0.84082 0 1.875V10.3125C0 11.3467 0.84082 12.1875 1.875 12.1875H4.6875V14.6484C4.6875 14.9355 5.01563 15.1025 5.24707 14.9326L8.90625 12.1875H13.125C14.1592 12.1875 15 11.3467 15 10.3125V1.875C15 0.84082 14.1592 0 13.125 0Z" fill="#8A8A8F"/></svg>')
css generated
url('data:image/svg+xml;utf8,<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.125 0H1.875C0.84082 0 0 0.84082 0 1.875V10.3125C0 11.3467 0.84082 12.1875 1.875 12.1875H4.6875V14.6484C4.6875 14.9355 5.01563 15.1025 5.24707 14.9326L8.90625 12.1875H13.125C14.1592 12.1875 15 11.3467 15 10.3125V1.875C15 0.84082 14.1592 0 13.125 0Z" fill="%238A8A8F"/></svg>')
The str-replace function is used from bootstrap.
Here is another solution using a gradient and a monochrome icon as background and background-blend-mode to colorize the icon.
It requires the background-color to be white, else the whole background gets colored. I only tested on Chrome.
.colored-background {
background-image: linear-gradient(45deg, green, green), url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23000000%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
background-color: #fff;
background-blend-mode: lighten, normal;
background-repeat: no-repeat;
background-position: center, center right .8em;
background-size: auto, 0.6em;
color: red;
display: inline-flex;
align-items: center;
padding: 0.5em;
padding-right: 2em;
height: 1.6em;
width: auto;
border: 1px solid gray;
}
.bg {
background-color: #ddd;
padding: 1em;
}
<div class="bg">
<div class="colored-background">green icon from black svg</div>
</div>
Related to a closed question that is linked to here, but not related directly to this question.
So in case, anyone needs actually to replace src like in the linked question, there is already an answer there. Furthermore if anyone is coming from Vue, and the src path is change on compile, I've come up with a different solution.
In my case, the parent element is a link, but it could be anything really.
<a
v-for="document in documents" :key="document.uuid"
:href="document.url"
target="_blank"
class="item flex align-items-center gap-2 hover-parent"
>
<img alt="documents" class="icon" src="../assets/PDF.svg" />
<strong>{{ document.name }}</strong>
<img class="itemImage ml-auto hide-on-parent-hover" src="../assets/download-circular-button.svg" />
<img class="itemImage ml-auto show-on-parent-hover" src="../assets/download-circular-button-hover.svg" />
</a>
.hover-parent .show-on-parent-hover { display: none }
.hover-parent .hide-on-parent-hover { display: block }
.hover-parent:hover .show-on-parent-hover { display: block }
.hover-parent:hover .hide-on-parent-hover { display: none }
So the solution here is not to change src attribute, but instead to put both <img> elements in the DOM and only display the one that is needed.
If you don't have a parent element that's supposed to be hovered on, you can simply wrap both images in a div.
<div class="hover-parent" >
<img class="hide-on-parent-hover" src="../assets/download-circular-button.svg" />
<img class="show-on-parent-hover" src="../assets/download-circular-button-hover.svg" />
</div>
You might also change CSS to the following, so the .hover-parent ancestor must be a direct parent:
.hover-parent > .show-on-parent-hover { display: none }
.hover-parent > .hide-on-parent-hover { display: block }
.hover-parent:hover > .show-on-parent-hover { display: block }
.hover-parent:hover > .hide-on-parent-hover { display: none }
This is my favorite method, but your browser support must be very progressive. With the mask property you create a mask that is applied to an element. Everywhere the mask is opaque, or solid, the underlying image shows through. Where it’s transparent, the underlying image is masked out, or hidden. The syntax for a CSS mask-image is similar to background-image.look at the codepenmask
A lot of IFs, but if your pre base64 encoded SVG starts:
<svg fill="#000000
Then the base64 encoded string will start:
PHN2ZyBmaWxsPSIjMDAwMDAw
if the pre-encoded string starts:
<svg fill="#bfa76e
then this encodes to:
PHN2ZyBmaWxsPSIjYmZhNzZl
Both encoded strings start the same:
PHN2ZyBmaWxsPSIj
The quirk of base64 encoding is every 3 input characters become 4 output characters. With the SVG starting like this then the 6-character hex fill color starts exactly on an encoding block 'boundary'.
Therefore you can easily do a cross-browser JS replace:
output = input.replace(/MDAwMDAw/, "YmZhNzZl");
But tnt-rox answer above is the way to go moving forward.
I am working on a project that has a map on it. Each section of the map highlights as you hover over it, and it hyperlinks to a corresponding website. On some of the areas, I can just size a div and absolutely place it with overlaying background image set to opacity:0. On Hover I change the opacity to 1 and all is good. Some of the other areas are too specific of a shape, so I've used transform to rotate the div, but I can't get specific enough. I'm getting too much overlap. Maybe I'm going about this the wrong way. I'm looking for any help. I've tried many things and I'm in a rut. Here is where I'm at now.
https://jsfiddle.net/4w3emy4o/2/
<div class="erieBasin">
<div id="essex"></div>
<div id="thames"></div>
<div class="kettle"></div>
<div class="close"></div>
</div>
.erieBasin {
position:absolute;
width:900px;
height:589px;
z-index:100;
background-image: url(http://i67.tinypic.com/2h4b23k.jpg);
}
#essex {
position:absolute;
top:270px;
left:275px;
width:91px;
height:72px;
background-image: url(http://i63.tinypic.com/28s6cew.jpg);
opacity: 0;
}
#essex:hover {
opacity:1;
}
#thames {
position:absolute;
top:222px;
left:325px;
width:215px;
height:60px;
background-image: url(http://i66.tinypic.com/2nl8dwx.jpg);
-ms-transform: rotate(-32deg); /* IE 9 */
-webkit-transform: rotate(-32deg); /* Safari */
transform: rotate(-32deg);
opacity: 0;
}
#thames:hover {
opacity:1;
}
Although I like freestock's answer, I want to suggest a different approach.
There is an element, that is specifically designed for such purposes: map. You can define polygons with it.
The basic usage is:
<img src="shapes.png" usemap="#shapes" >
<map name="shapes">
<area shape=rect coords="50,50,100,100">
<area shape=rect coords="25,25,125,125" href="red.html" >
<area shape=poly coords="450,25,435,60,400,75,435,90,450,125,465,90,500,75,465,60" href="yellow.html">
</map>
example taken from the w3 link
SVG alternative:.
1- SVG Clip-path On this first snippet there's a svg clip-path ( helper: clip-path-generator ) applied on an image and a blury clone without the clip-path, both inside a container. A low opacity color layer was added to let the highlight even more clear. The clip-path area gets highlighted on :hover
ps.1: made with the polygonal lasso tool quick and careless since its just an example.
ps.2: on this clip-path generator, you can click and drag a picture from your Desktop into the canvas. You can easily find more clip-path generators around the web like this one.
ps.3: you can build svg shapes on graphic softwares (like Inkscape or Adobe Illustrator) instead.
body {
margin: 0;
background: lavender;
}
.clipped {
cursor: pointer;
}
.clipped:hover {
-webkit-filter: contrast(200%); /* Chrome, Safari, Opera */
filter: contrast(200%);
}
.container {
position: relative;
vertical-align: bottom;
display: inline-block;
border: 4px solid indigo;
box-sizing: border-box;
overflow: hidden;
}
.color {
position: absolute;
top: 0;
left: 0;
width:100%;
height:100%;
background-color: red;
opacity: 0.2;
}
.back {
-webkit-filter: blur(2px); /* Chrome, Safari, Opera */
filter: blur(2px);
}
.clipped {
position: absolute;
top:0;
left:0;
}
#clip1 {
/*Chrome,Safari*/
-webkit-clip-path: polygon(578px 230px,581px 228px,584px 228px,587px 230px,591px 232px,597px 236px,618px 239px,624px 238px,642px 241px,667px 245px,674px 245px,677px 243px,666px 238px,661px 240px,653px 238px,647px 233px,643px 234px,627px 234px,624px 230px,634px 223px,639px 225px,638px 221px,646px 213px,652px 207px,656px 204px,660px 206px,668px 203px,678px 200px,686px 203px,690px 199px,715px 195px,713px 192px,714px 186px,711px 188px,705px 188px,694px 185px,692px 180px,688px 183px,686px 178px,672px 175px,664px 181px,663px 176px,659px 175px,642px 172px,641px 170px,634px 168px,634px 160px,631px 157px,625px 157px,625px 155px,619px 155px,597px 158px,587px 167px,589px 171px,584px 173px,574px 183px,574px 186px,567px 188px,565px 189px,577px 190px,579px 193px,578px 196px,575px 196px,569px 202px,567px 206px,562px 210px,569px 215px,572px 217px,574px 226px);
/*Firefox*/
clip-path: url("#clipPolygon");
/* iOS support inline encoded svg file*/
-webkit-mask: url(data:image/svg+xml;charset=utf-8;base64,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) no-repeat;
}
<div class=container>
<img class=back src="http://i67.tinypic.com/2h4b23k.jpg" alt=img>
<div class=color></div>
<img id=clip1 class=clipped src="http://i67.tinypic.com/2h4b23k.jpg" alt=img onClick="window.location.href = 'http://erca.org/'">
</div>
<svg width="0" height="0">
<clipPath id="clipPolygon">
<polygon points="578 230,581 228,584 228,587 230,591 232,597 236,618 239,624 238,642 241,667 245,674 245,677 243,666 238,661 240,653 238,647 233,643 234,627 234,624 230,634 223,639 225,638 221,646 213,652 207,656 204,660 206,668 203,678 200,686 203,690 199,715 195,713 192,714 186,711 188,705 188,694 185,692 180,688 183,686 178,672 175,664 181,663 176,659 175,642 172,641 170,634 168,634 160,631 157,625 157,625 155,619 155,597 158,587 167,589 171,584 173,574 183,574 186,567 188,565 189,577 190,579 193,578 196,575 196,569 202,567 206,562 210,569 215,572 217,574 226">
</polygon>
</clipPath>
</svg>
2- SVG shape Second snippet, more simple: single pic without filters/clip-path plus a solid svg shape made on Adobe Illustrator with the pen tool:
#container {
position: relative;
}
svg {
position: absolute;
top: 0;
left: 0;
}
polygon {
cursor: pointer;
opacity: 0.6;
fill: green;
}
polygon:hover {
opacity: 0.8;
fill: red;
}
<div id=container>
<img src="http://i67.tinypic.com/2h4b23k.jpg" alt=pic>
<svg x="0px" y="0px" width="900px" height="589px" viewBox="0 0 900 589">
<polygon onClick="window.location.href = 'http://erca.org/'" points="364.333,317.333 357,311 348,310.667 347,307.667 349.333,305.667 352.333,305 351.667,302.333
349.667,300.667 351,292.667 353,291 356.667,292.667 357.333,295 359.333,283.667 369,276.333 370.667,269.667 371,258.333
374.667,260 384,257.333 391.333,253.333 392.333,256.667 396.667,253.333 399.667,257 406,254 406.667,251.333 413.667,246.333
416.667,246.333 419.333,244.667 419.333,239.333 425,239.333 426,233 435,228.333 438.667,231 442,227 451.334,221.333 456,221
455,209.333 461.667,208 463.334,206 463.334,200.333 472,199 476.667,197.333 476.334,195 473.667,194 480.334,193 487.334,191
487.334,187 489.667,184 492.334,187 497,184.333 506,183 510.667,184 516.667,190.667 510,188.333 505.334,189.667 505,196
508.334,196.667 511.334,199 507.667,202.667 509,205 510.334,206.667 515.667,205.667 523,206.667 523.667,208 517.334,213.333
515,215.333 513,215.333 511.667,219.333 507.667,218.667 509,224 506,226.667 504.334,229.333 501,231.333 493.334,231.333
496,232.667 492.667,233.667 492.334,235.667 486.667,236.667 481,242.333 478,243.333 473,249.333 468,252.333 462,256.333
457.667,261 448.667,267.333 447.667,272.333 448,277.333 446,279.667 445,283.667 445,286.333 441.333,288.667 439.333,287
440.667,281 438.667,280.667 435,280.667 433,282.667 432.667,287 428.333,286.333 422.667,286.667 410.667,291 399.667,297
399.667,298.333 395.333,299.333 384.667,305.333 380.667,307 375.667,310.333 371,313 "/>
</svg></div>
3- Multiple SVG shapes On this 3rd snippet theres several SVG paths automatically generated by the Adobe Illustrator 'trace image' feature.
#container {
position: relative;
}
svg {
position: absolute;
top: 0;
left: 0;
}
path {
cursor: pointer;
opacity: 0.6;
fill: green;
}
path:hover {
opacity: 0.8;
fill: red;
}
<div id=container>
<img src="http://i67.tinypic.com/2h4b23k.jpg" alt=pic>
<svg x="0px" y="0px"
width="900px" height="589px" viewBox="0 0 900 589" >
<path fill-rule="evenodd" clip-rule="evenodd" fill="#C8C3D9" d="M621,1c-0.636,1.399-0.761,2.768-0.419,4.341
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Can you try an imagemap? They are pretty lightweight and there are lots of easy to use generators out there now: https://www.image-maps.com/
Placing the SVG output directly inline with the page code I am able to simply modify fill colors with CSS like so:
polygon.mystar {
fill: blue;
}
circle.mycircle {
fill: green;
}
This works great, however I'm looking for a way to modify the "fill" attribute of an SVG when it's being served as a BACKGROUND-IMAGE.
html {
background-image: url(../img/bg.svg);
}
How can I change the colors now? Is it even possible?
For reference, here are the contents of my external SVG file:
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
width="320px" height="100px" viewBox="0 0 320 100" enable-background="new 0 0 320 100" xml:space="preserve">
<polygon class="mystar" fill="#3CB54A" points="134.973,14.204 143.295,31.066 161.903,33.77 148.438,46.896 151.617,65.43 134.973,56.679
118.329,65.43 121.507,46.896 108.042,33.77 126.65,31.066 "/>
<circle class="mycircle" fill="#ED1F24" cx="202.028" cy="58.342" r="12.26"/>
</svg>
You can use CSS masks, With the 'mask' property, you create a mask that is applied to an element.
.icon {
background-color: red;
-webkit-mask-image: url(icon.svg);
mask-image: url(icon.svg);
}
For more see this great article: https://codepen.io/noahblon/post/coloring-svgs-in-css-background-images
I needed something similar and wanted to stick with CSS. Here are LESS and SCSS mixins as well as plain CSS that can help you with this. Unfortunately, it's browser support is a bit lax. See below for details on browser support.
LESS mixin:
.element-color(#color) {
background-image: url('data:image/svg+xml;utf8,<svg ...><g stroke="#{color}" ... /></g></svg>');
}
LESS usage:
.element-color(#fff);
SCSS mixin:
#mixin element-color($color) {
background-image: url('data:image/svg+xml;utf8,<svg ...><g stroke="#{$color}" ... /></g></svg>');
}
SCSS usage:
#include element-color(#fff);
CSS:
// color: red
background-image: url('data:image/svg+xml;utf8,<svg ...><g stroke="red" ... /></g></svg>');
Here is more info on embedding the full SVG code into your CSS file. It also mentioned browser compatibility which is a bit too small for this to be a viable option.
One way to do this is to serve your svg from some server side mechanism.
Simply create a resource server side that outputs your svg according to GET parameters, and you serve it on a certain url.
Then you just use that url in your css.
Because as a background img, it isn't part of the DOM and you can't manipulate it.
Another possibility would be to use it regularly, embed it in a page in a normal way, but position it absolutely, make it full width & height of a page and then use z-index css property to put it behind all the other DOM elements on a page.
Yet another approach is to use mask. You then change the background color of the masked element. This has the same effect as changing the fill attribute of the svg.
HTML:
<glyph class="star"/>
<glyph class="heart" />
<glyph class="heart" style="background-color: green"/>
<glyph class="heart" style="background-color: blue"/>
CSS:
glyph {
display: inline-block;
width: 24px;
height: 24px;
}
glyph.star {
-webkit-mask: url(star.svg) no-repeat 100% 100%;
mask: url(star.svg) no-repeat 100% 100%;
-webkit-mask-size: cover;
mask-size: cover;
background-color: yellow;
}
glyph.heart {
-webkit-mask: url(heart.svg) no-repeat 100% 100%;
mask: url(heart.svg) no-repeat 100% 100%;
-webkit-mask-size: cover;
mask-size: cover;
background-color: red;
}
You will find a full tutorial here: http://codepen.io/noahblon/blog/coloring-svgs-in-css-background-images (not my own). It proposes a variety of approaches (not limited to mask).
Use the sepia filter along with hue-rotate, brightness, and saturation to create any color we want.
.colorize-pink {
filter: brightness(0.5) sepia(1) hue-rotate(-70deg) saturate(5);
}
https://css-tricks.com/solved-with-css-colorizing-svg-backgrounds/
It's possible with Sass!
The only thing you have to do is to url-encode your svg code. And this is possible with a helper function in Sass. I've made a codepen for this. Look at this:
http://codepen.io/philippkuehn/pen/zGEjxB
// choose a color
$icon-color: #F84830;
// functions to urlencode the svg string
#function str-replace($string, $search, $replace: '') {
$index: str-index($string, $search);
#if $index {
#return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
}
#return $string;
}
#function url-encode($string) {
$map: (
"%": "%25",
"<": "%3C",
">": "%3E",
" ": "%20",
"!": "%21",
"*": "%2A",
"'": "%27",
'"': "%22",
"(": "%28",
")": "%29",
";": "%3B",
":": "%3A",
"#": "%40",
"&": "%26",
"=": "%3D",
"+": "%2B",
"$": "%24",
",": "%2C",
"/": "%2F",
"?": "%3F",
"#": "%23",
"[": "%5B",
"]": "%5D"
);
$new: $string;
#each $search, $replace in $map {
$new: str-replace($new, $search, $replace);
}
#return $new;
}
#function inline-svg($string) {
#return url('data:image/svg+xml;utf8,#{url-encode($string)}');
}
// icon styles
// note the fill="' + $icon-color + '"
.icon {
display: inline-block;
width: 50px;
height: 50px;
background: inline-svg('<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 30 30" enable-background="new 0 0 30 30" xml:space="preserve">
<path fill="' + $icon-color + '" d="M18.7,10.1c-0.6,0.7-1,1.6-0.9,2.6c0,0.7-0.6,0.8-0.9,0.3c-1.1-2.1-0.4-5.1,0.7-7.2c0.2-0.4,0-0.8-0.5-0.7
c-5.8,0.8-9,6.4-6.4,12c0.1,0.3-0.2,0.6-0.5,0.5c-0.6-0.3-1.1-0.7-1.6-1.3c-0.2-0.3-0.4-0.5-0.6-0.8c-0.2-0.4-0.7-0.3-0.8,0.3
c-0.5,2.5,0.3,5.3,2.1,7.1c4.4,4.5,13.9,1.7,13.4-5.1c-0.2-2.9-3.2-4.2-3.3-7.1C19.6,10,19.1,9.6,18.7,10.1z"/>
</svg>');
}
.icon {
width: 48px;
height: 48px;
display: inline-block;
background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/18515/heart.svg) no-repeat 50% 50%;
background-size: cover;
}
.icon-orange {
-webkit-filter: hue-rotate(40deg) saturate(0.5) brightness(390%) saturate(4);
filter: hue-rotate(40deg) saturate(0.5) brightness(390%) saturate(4);
}
.icon-yellow {
-webkit-filter: hue-rotate(70deg) saturate(100);
filter: hue-rotate(70deg) saturate(100);
}
codeben article and demo
Now you can achieve this on the client side like this:
var green = '3CB54A';
var red = 'ED1F24';
var svg = '<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="320px" height="100px" viewBox="0 0 320 100" enable-background="new 0 0 320 100" xml:space="preserve"> <polygon class="mystar" fill="#'+green+'" points="134.973,14.204 143.295,31.066 161.903,33.77 148.438,46.896 151.617,65.43 134.973,56.679 118.329,65.43 121.507,46.896 108.042,33.77 126.65,31.066 "/><circle class="mycircle" fill="#'+red+'" cx="202.028" cy="58.342" r="12.26"/></svg>';
var encoded = window.btoa(svg);
document.body.style.background = "url(data:image/svg+xml;base64,"+encoded+")";
Fiddle here!
Download your svg as text.
Modify your svg text using javascript to change the paint/stroke/fill color[s].
Then embed the modified svg string inline into your css as described here.
If you are trying to use and SVG directly on CSS with url() like this;
a:before {
content: url('data:image/svg+xml; utf8, <svg xmlns="http://www.w3.org/2000/svg" x="0" y="0" viewBox="0 0 451 451"><path d="M345.441,2...
You should encode the # to %23, otherwise it won't work.
<svg fill="%23FFF" ...
You can store the SVG in a variable. Then manipulate the SVG string depending on your needs (i.e., set width, height, color, etc). Then use the result to set the background, e.g.
$circle-icon-svg: '<svg xmlns="http://www.w3.org/2000/svg"><circle cx="10" cy="10" r="10" /></svg>';
$icon-color: #f00;
$icon-color-hover: #00f;
#function str-replace($string, $search, $replace: '') {
$index: str-index($string, $search);
#if $index {
#return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
}
#return $string;
}
#function svg-fill ($svg, $color) {
#return str-replace($svg, '<svg', '<svg fill="#{$color}"');
}
#function svg-size ($svg, $width, $height) {
$svg: str-replace($svg, '<svg', '<svg width="#{$width}"');
$svg: str-replace($svg, '<svg', '<svg height="#{$height}"');
#return $svg;
}
.icon {
$icon-svg: svg-size($circle-icon-svg, 20, 20);
width: 20px; height: 20px; background: url('data:image/svg+xml;utf8,#{svg-fill($icon-svg, $icon-color)}');
&:hover {
background: url('data:image/svg+xml;utf8,#{svg-fill($icon-svg, $icon-color-hover)}');
}
}
I have made a demo too, http://sassmeister.com/gist/4cf0265c5d0143a9e734.
This code makes a few assumptions about the SVG, e.g. that <svg /> element does not have an existing fill colour and that neither width or height properties are set. Since the input is hardcoded in the SCSS document, it is quite easy to enforce these constraints.
Do not worry about the code duplication. gzip compression makes the difference negligible.
You can use the brightness filter, any value greater than 1 makes the element brighter, and any value less than 1 makes it darker. So, we can make those light SVG’s dark, and vice versa, for example, this will make the svg darker:
filter: brightness(0);
In order to change the color and not only brightness level we can use sepia filter along with hue-rotate, brightness, for example:
.colorize-blue {
filter: brightness(0.5) sepia(1) hue-rotate(140deg) saturate(6);
}
You can create your own SCSS function for this. Adding the following to your config.rb file.
require 'sass'
require 'cgi'
module Sass::Script::Functions
def inline_svg_image(path, fill)
real_path = File.join(Compass.configuration.images_path, path.value)
svg = data(real_path)
svg.gsub! '{color}', fill.value
encoded_svg = CGI::escape(svg).gsub('+', '%20')
data_url = "url('data:image/svg+xml;charset=utf-8," + encoded_svg + "')"
Sass::Script::String.new(data_url)
end
private
def data(real_path)
if File.readable?(real_path)
File.open(real_path, "rb") {|io| io.read}
else
raise Compass::Error, "File not found or cannot be read: #{real_path}"
end
end
end
Then you can use it in your CSS:
.icon {
background-image: inline-svg-image('icons/icon.svg', '#555');
}
You will need to edit your SVG files and replace any fill attributes in the markup with fill="{color}"
The icon path is always relative to your images_dir parameter in the same config.rb file.
Similar to some of the other solutions, but this is pretty clean and keeps your SCSS files tidy!
If you wanna swap in a simple way from white to black or some like that, try this:
filter: invert(100%);
In some (very specific) situations this might be achieved by using a filter. For example, you can change a blue SVG image to purple by rotating the hue 45 degrees using filter: hue-rotate(45deg);. Browser support is minimal but it's still an interesting technique.
Demo
for monochrome background you could use a svg with a mask, where the background color should be displayed
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" preserveAspectRatio="xMidYMid meet" focusable="false" style="pointer-events: none; display: block; width: 100%; height: 100%;" >
<defs>
<mask id="Mask">
<rect width="100%" height="100%" fill="#fff" />
<polyline stroke-width="2.5" stroke="black" stroke-linecap="square" fill="none" transform="translate(10.373882, 8.762969) rotate(-315.000000) translate(-10.373882, -8.762969) " points="7.99893906 13.9878427 12.7488243 13.9878427 12.7488243 3.53809523"></polyline>
</mask>
</defs>
<rect x="0" y="0" width="20" height="20" fill="white" mask="url(#Mask)" />
</svg>
and than use this css
background-repeat: no-repeat;
background-position: center center;
background-size: contain;
background-image: url(your/path/to.svg);
background-color: var(--color);
Since this comes up on Google despite the age, I thought I might as well give a solution that I'm employing in the distant future of 2022 after looking at the options here.
This is really just the mask solution from before, but on a pseudo-element.
.icon {
height: 1.5rem;
width: 1.5rem;
}
.icon::before {
content: "";
display: block;
width: 100%;
height: 100%;
mask-repeat: no-repeat;
mask-position: center;
mask-size: contain;
mask-image: url("path/to/svg/icon.svg");
-webkit-mask-repeat: no-repeat;
-webkit-mask-position: center;
-webkit-mask-size: contain;
-webkit-mask-image: url("path/to/svg/icon.svg");
}
This works in all major browsers today, although obviously you can't have an SVG with multiple colors using this. That's the cost of business if the site doesn't let you inject them inline, or if you don't fancy doing font icons, etc.
Late to the show here, BUT, I was able to add a fill color to the SVG polygon, if you're able to directly edit the SVG code, so for example the following svg renders red, instead of default black. I have not tested outside of Chrome though:
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
width="500px" height="500px" viewBox="0 0 500 500" enable-background="new 0 0 500 500" xml:space="preserve">
<polygon
fill="red"
fill-rule="evenodd" clip-rule="evenodd" points="452.5,233.85 452.5,264.55 110.15,264.2 250.05,390.3 229.3,413.35
47.5,250.7 229.3,86.7 250.05,109.75 112.5,233.5 "/>
</svg>
The only way i found for this, and to be cross browser (aka bulletproof), is to render the SVG with PHP and pass Query String to set the color.
The SVG, here called "arrow.php"
<?php
$fill = filter_input(INPUT_GET, 'fill');
$fill = strtolower($fill);
$fill = preg_replace("/[^a-z0-9]/", '', $fill);
if(empty($fill)) $fill = "000000";
header('Content-type: image/svg+xml');
echo '<?xml version="1.0" encoding="utf-8"?>';
?>
<svg xmlns="http://www.w3.org/2000/svg" width="7.4" height="12" viewBox="0 0 7.4 12">
<g>
<path d="M8.6,7.4,10,6l6,6-6,6L8.6,16.6,13.2,12Z" transform="translate(-8.6 -6)" fill="#<?php echo htmlspecialchars($fill); ?>" fill-rule="evenodd"/>
</g>
</svg>
Then you call the image like this
.cssclass{ background-image: url(arrow.php?fill=112233); }
Works only with PHP. And remember that everytime you change the color value, your browser will load a new image.
scss create function
#function url-svg($icon) {
#return url("data:image/svg+xml;utf8,#{str-replace($icon, "#", "%23")}");
}
scss use
url-svg('<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.125 0H1.875C0.84082 0 0 0.84082 0 1.875V10.3125C0 11.3467 0.84082 12.1875 1.875 12.1875H4.6875V14.6484C4.6875 14.9355 5.01563 15.1025 5.24707 14.9326L8.90625 12.1875H13.125C14.1592 12.1875 15 11.3467 15 10.3125V1.875C15 0.84082 14.1592 0 13.125 0Z" fill="#8A8A8F"/></svg>')
css generated
url('data:image/svg+xml;utf8,<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.125 0H1.875C0.84082 0 0 0.84082 0 1.875V10.3125C0 11.3467 0.84082 12.1875 1.875 12.1875H4.6875V14.6484C4.6875 14.9355 5.01563 15.1025 5.24707 14.9326L8.90625 12.1875H13.125C14.1592 12.1875 15 11.3467 15 10.3125V1.875C15 0.84082 14.1592 0 13.125 0Z" fill="%238A8A8F"/></svg>')
The str-replace function is used from bootstrap.
Here is another solution using a gradient and a monochrome icon as background and background-blend-mode to colorize the icon.
It requires the background-color to be white, else the whole background gets colored. I only tested on Chrome.
.colored-background {
background-image: linear-gradient(45deg, green, green), url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23000000%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
background-color: #fff;
background-blend-mode: lighten, normal;
background-repeat: no-repeat;
background-position: center, center right .8em;
background-size: auto, 0.6em;
color: red;
display: inline-flex;
align-items: center;
padding: 0.5em;
padding-right: 2em;
height: 1.6em;
width: auto;
border: 1px solid gray;
}
.bg {
background-color: #ddd;
padding: 1em;
}
<div class="bg">
<div class="colored-background">green icon from black svg</div>
</div>
Related to a closed question that is linked to here, but not related directly to this question.
So in case, anyone needs actually to replace src like in the linked question, there is already an answer there. Furthermore if anyone is coming from Vue, and the src path is change on compile, I've come up with a different solution.
In my case, the parent element is a link, but it could be anything really.
<a
v-for="document in documents" :key="document.uuid"
:href="document.url"
target="_blank"
class="item flex align-items-center gap-2 hover-parent"
>
<img alt="documents" class="icon" src="../assets/PDF.svg" />
<strong>{{ document.name }}</strong>
<img class="itemImage ml-auto hide-on-parent-hover" src="../assets/download-circular-button.svg" />
<img class="itemImage ml-auto show-on-parent-hover" src="../assets/download-circular-button-hover.svg" />
</a>
.hover-parent .show-on-parent-hover { display: none }
.hover-parent .hide-on-parent-hover { display: block }
.hover-parent:hover .show-on-parent-hover { display: block }
.hover-parent:hover .hide-on-parent-hover { display: none }
So the solution here is not to change src attribute, but instead to put both <img> elements in the DOM and only display the one that is needed.
If you don't have a parent element that's supposed to be hovered on, you can simply wrap both images in a div.
<div class="hover-parent" >
<img class="hide-on-parent-hover" src="../assets/download-circular-button.svg" />
<img class="show-on-parent-hover" src="../assets/download-circular-button-hover.svg" />
</div>
You might also change CSS to the following, so the .hover-parent ancestor must be a direct parent:
.hover-parent > .show-on-parent-hover { display: none }
.hover-parent > .hide-on-parent-hover { display: block }
.hover-parent:hover > .show-on-parent-hover { display: block }
.hover-parent:hover > .hide-on-parent-hover { display: none }
This is my favorite method, but your browser support must be very progressive. With the mask property you create a mask that is applied to an element. Everywhere the mask is opaque, or solid, the underlying image shows through. Where it’s transparent, the underlying image is masked out, or hidden. The syntax for a CSS mask-image is similar to background-image.look at the codepenmask
A lot of IFs, but if your pre base64 encoded SVG starts:
<svg fill="#000000
Then the base64 encoded string will start:
PHN2ZyBmaWxsPSIjMDAwMDAw
if the pre-encoded string starts:
<svg fill="#bfa76e
then this encodes to:
PHN2ZyBmaWxsPSIjYmZhNzZl
Both encoded strings start the same:
PHN2ZyBmaWxsPSIj
The quirk of base64 encoding is every 3 input characters become 4 output characters. With the SVG starting like this then the 6-character hex fill color starts exactly on an encoding block 'boundary'.
Therefore you can easily do a cross-browser JS replace:
output = input.replace(/MDAwMDAw/, "YmZhNzZl");
But tnt-rox answer above is the way to go moving forward.