More on lighting for different shades of skin

Lighting for Different skin tones

This is a good article that gives background behind how film stocks were created to make particular skin tones look realistic. 

Lighting for black people- what we can learn from Ava Duvernay!

People of a certain age (and certain hue) look back on old high school yearbook pictures with mixed feelings. Chances are, the more melanin you had, the less likely you would show up as anything more attractive than a smudge, a muddy smirk — or worse, a lurking presence — as you hovered in the back row of the chess club photo.

Part of the problem is that racism was built into film processing. Until the 1990s, professional film developers compared the skin tones in photographs against a universal guide known as “Shirley cards” which helped them figure out the right mix of chemicals to process a photo properly.
The Shirleys were always white and demure.