An interesting article about 'The Queen of Dark' a famous South Sudanese model living in Minnesota. You can read about it here. http://tinyurl.com/yb7on2ws
When I wrote Super Humanity, I included some jokes about the characters' blackness and American society's almost 'rejection' of those with very dark skin from the entertainment industry. It's become a running joke in some ways. You've heard them all before- too black for music videos, for one.
If my books get made in movies, I'd like her in to be in it. Probably not as a star, since my main characters are much younger.