From black to grey to bleached white (secret weapon).
Then several layers of the super precious gw glaze waywatchers green i think it's called. I think they've discontinued them now and are worth about 20 quid a pot.
I screwed the middle guy up abit by trying to use drucchi violet on his tentacles.... don't know what went wrong... But he looks crap!! Fortunately I only need 4 of them to look ok!!
The colour is quite bright but I wanted something different to the 16 other sort of fleshy bruised poxwalkers I've got.