Drew Baker Drew Baker - 1 year ago 1855
Javascript Question

How to change color of SVG image using CSS (jQuery SVG image replacement)?

This is a self Q&A of a handy piece of code I came up with.

Currently, there isn't an easy way to embed an SVG image and then have access to the SVG elements via CSS. There are various methods of using JS SVG frameworks, but they are overly complicated if all you are doing is making a simple icon with a rollover state.

So here is what I came up with, which I think is by far the easiest way to use SVG files on a website. It takes its concept from the early text-to-image replacement methods, but as far as I am aware has never been done for SVGs.

This is the question:

How do I embed an SVG and change its color in CSS without using a JS-SVG framework?

Answer Source

Firstly, use an IMG tag in your HTML to embed an SVG graphic. I used Adobe Illustrator to make the graphic.

<img id="facebook-logo" class="svg social-link" src="/images/logo-facebook.svg"/>

This is just like how you'd embed a normal image. Note that you need to set the IMG to have a class of svg. The 'social-link' class is just for examples sake. The ID is not required, but is useful.

Then use this jQuery code (in a separate file or inline in the HEAD).

     * Replace all SVG images with inline SVG
            var $img = jQuery(this);
            var imgID = $img.attr('id');
            var imgClass = $img.attr('class');
            var imgURL = $img.attr('src');

            jQuery.get(imgURL, function(data) {
                // Get the SVG tag, ignore the rest
                var $svg = jQuery(data).find('svg');

                // Add replaced image's ID to the new SVG
                if(typeof imgID !== 'undefined') {
                    $svg = $svg.attr('id', imgID);
                // Add replaced image's classes to the new SVG
                if(typeof imgClass !== 'undefined') {
                    $svg = $svg.attr('class', imgClass+' replaced-svg');

                // Remove any invalid XML tags as per http://validator.w3.org
                $svg = $svg.removeAttr('xmlns:a');

                // Replace image with new SVG

            }, 'xml');


What the above code does is look for all IMG's with the class 'svg' and replace it with the inline SVG from the linked file. The massive advantage is that it allows you to use CSS to change the color of the SVG now, like so:

svg:hover path {
    fill: red;

The jQuery code I wrote also ports across the original images ID and classes. So this CSS works too:

#facebook-logo:hover path {
    fill: red;


.social-link:hover path {
    fill: red;

You can see an example of it working here: http://labs.funkhausdesign.com/examples/img-svg/img-to-svg.html

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