Trip to “The Golden Trough”, the finest in bad cuisine
Humans can see color. Most humans like blue, so that's the color I'll set my dress.
Your dress is now BLUE.
In college, I once used hair dye to dye myself blue. Logically, it should have worked, but friends say I just looked weird.
Sigh. It's always difficult trying to appear attractive to a sense you don't have.