(photo courtesy of Carol Curry)
This black also shows graying on the face

 
(photo courtesy of Cheri Boutelle)
This picture shows the vagaries of trying to show color - even though she appears to be a dark blue, she is actually a true black. The lighter areas are places where the hair is thinner, and her skin is showing through.

 
(photo courtesy of Kathy Feldman)
This picture, too, suffers from a blue shade - but this is also a black.