Haven't seen one of these here before so decided to post this one. It's pretty complete. Hope ya'll enjoy.
Here's a dye to scar color converter to save a lot of time and money:
The same color chart for Chaos Axes:
And for general reference, here are various dyes references.
Valareos's most complete chart:
http://armageddon.tpon.net/images/guildwars/colors/allcolors.htm
Ensign's chart (2 color mix):
=HT=Ingram 's mix list
~Nef~