Earthy colours, Kas specified, so leathery browns, dull greens and a few bits of battered white or black. I was going for the idea that they're all fairly recently dead, hastily interred after their village got overrun by something or other, then freshly raised from the mass grave this very morning. By traditional necromantic tradesmen using an age-old recipie. Something about the fairly bright grass sets off the pale flesh nicely.
