Painting Advice

I have a bunch of figures (old Grenadier Future Warriors) that have
Negroid
type facial features, I plan to try to paint these with 'black' skin
tones
but at the moment I'm struggling.  Does anyone have suggestions for
painting 'black' tones ?

Stuart.

Stuart Murray

Department Of Molecular Genetics
Albert Einstein College Of Medicine
1300 Morris Park Avenue
Bronx
New York 10461

Tel: (718) 430 4289
smurray@aecom.yu.edu