ReplaceColor
Replaces a color within the current image.
Added version 4.1.0
Requests are passed thus:
<!--Hex-->
http://your-image?replace=000|fff&fuzziness=30
<!--RGBA-->
http://your-image?replace=[255,0,0,0],[255,255,255,255]&fuzziness=30,
<!--Known Color-->
http://your-image?replace=black,white&fuzziness=30
Examples
Original
Color Replaced
