If anyone is interested, here are the HTML colour codes for each the class. Handy for your signatures

Druid = FF7D0A
Hunter = ABD473
Mage = 64C2E4
Paladin = F58CBA
Priest = FFFFFF
Rogue = FFF569
Shaman = 2459FF
Warlock = 716497
Warrior = C2986B

enjoy (except the priests because white doesn't show up very well )