colorism
n.— «Before-and-after photos of Jackson tell a deeper story about color discrimination, also known as colorism—an intra-racial discrimination among African Americans.» —“Through the Past, Darkly” by DeNeen L. Brown Washington Post July 10, 2009. (source: Double-Tongued Dictionary)
Further reading
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...
