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    <p><strong>UPDATE:</strong></p> <p>In order to do that you will need to use -webkit-mask-image on CSS. This used to be a webkit only but it's now w3c css3.</p> <p>The support is just present on webkit tho. In order to keep backward compatibility and display a regular black icon you will need to identify if the browser has this capabilities. I'v archived that using <a href="http://modernizr.com/" rel="nofollow">modernizr</a>.</p> <p><a href="http://jsfiddle.net/kkobold/Zq5FZ/5/" rel="nofollow">http://jsfiddle.net/kkobold/Zq5FZ/5/</a></p> <p>old answer:</p> <blockquote> <p>I believe thats the result you are looking for:</p> <p><a href="http://s7.postimage.org/vo5v33tuj/Screen_Shot_2013_02_03_at_11_28_46_PM.png" rel="nofollow">http://s7.postimage.org/vo5v33tuj/Screen_Shot_2013_02_03_at_11_28_46_PM.png</a></p> <p>you can archive it by filtering to sepia and then changing hue degree. different combinations will give different results. But a simple color picker can be made for the hue and a slide for sepia to increase or decrease intensity of the color change.</p> <p>and CSS3 only.</p> <pre><code>&lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.0) hue-rotate(0deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0) hue-rotate(0deg); &lt;/div&gt; &lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.8) hue-rotate(50deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0.8) hue-rotate(50deg); &lt;/div&gt; &lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.8) hue-rotate(100deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0.8) hue-rotate(100deg); &lt;/div&gt; &lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.8) hue-rotate(150deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0.8) hue-rotate(150deg); &lt;/div&gt; &lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.8) hue-rotate(200deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0.8) hue-rotate(200deg); &lt;/div&gt; &lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.8) hue-rotate(250deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0.8) hue-rotate(250deg); &lt;/div&gt; &lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.8) hue-rotate(300deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0.8) hue-rotate(300deg); &lt;/div&gt; &lt;div class="pull-left span4" &gt; &lt;img src="/img/bw.jpg" style="-webkit-filter: sepia(0.8) hue-rotate(350deg);" width="300"/&gt;&lt;br /&gt; -webkit-filter: sepia(0.8) hue-rotate(350deg); &lt;/div&gt; </code></pre> </blockquote>
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    1. COThanks. I will look into sepia again. It seems to be a very different filter though. Sepia doesn't change the black and white, black remains black and white remains white after sepia, grays become coloured. I need a filter that converts 100% black to one colour of my choice and 100% white to another colour, with straight line between these two colours in this transformation. The usage is the following - I have BW icon, I want it become, for example, red icon on pink background. I don't think I can "abuse" sepia somehow to achieve it :)
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    2. COso is this what you want? http://jsfiddle.net/WHWnp/. just change .dashboard-buttons .sessions .img bg color and it will change the icon color.
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    3. COThanks, that's exactly what I need. I spent a lot of time searching but I just didn't know how it's called... But the problem with this approach is that if masks are not supported it won't show anything while I would prefer that it shows b&w image - custom filter would achieve exactly this. And as images are actually not b&w but b&transparent, it would show black on the background I need. So at the minimum I need a filter to change blacks, we can leave white as it is...
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