How many letters does the top answer for “having skin rich in melanin pigments;” have?

The most common answer is coloured (8 letters).

Crossword clue: having skin rich in melanin pigments;

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

coloured 8 letters wn-def

having skin rich in melanin pigments;

negro 5 letters wn-def

a person with African ancestry, "Negro" and "Negroid" are archaic and pejorative today