Here's a good one. http://www.tbi.univie.ac.at/TBI/hex_color_chart.png Also, this wiki article has one with the short hand on it: http://en.wikipedia.org/wiki/Web_colors If it uses the 6 digit format, all you need to do is remove the second occurrence of each pair to get the 3 digit version. IE( 6600CC -> 60C).