Reaper master series has a set of skin tones you can use, along with a
corresponding highlight and shadow.
They have Golden, Olive, Dark, Tanned, Fair, and probably more.
I typically pre-highlight the skin by hitting my black primed model with white
highlights. Then I take the color of choice and apply it to the model.
Automatically Appended Next Post: Here's an example of the Dark Skin with washes and highlights (I think, can't remember
what stage this was).