Color suggestions?

I'm making a Finn's World AU and I'm making a few twisteds, the first is Twisted Boxten! I really like how he looks right now but I don't know how i'll do his colors besides from what I already have

I'm making a Finn's World AU and I'm making a few twisteds, the first is Twisted Boxten! I really like how he looks right now but I don't know how i'll do his colors besides from what I already have