Quote Originally Posted by HakuroDK View Post
The dyes are completely 100% untradeable. I know because I have tried trading dyes as gifts to friends and it's just not possible to trade. Anyone trying to sell these dyes on the Party Finder is scamming you.
What they're trying to sell is the act of dyeing items using those dyes. Presumably you give them the item, they dye it, and then trade it back.