Picular, a search engine for colors

Picular is a simple, very nicely-done search engine for colors. Above is is puce, french for "flea", the color of laundered but still-bloodstained fabric. The green swatch is legit, as it has a second meaning of uncertain etymology (perhaps "puke") attached to it.

I think it's doing some kind of "distinctive color detection" trick on Google image results: