LANGUAGE AND CULTURE

Detailed explanation-1: -To protect itself from the damaging effects of the sun, your skin increases its production of the brown pigment called melanin. The extra melanin makes your skin look darker or sun-tanned. Sometimes the sun causes an uneven increase in melanin production, which produces irregular coloring (pigmentation) of the skin.

Detailed explanation-2: -Most people associate Africans with dark skin. But different groups of people in Africa have almost every skin color on the planet, from deepest black in the Dinka of South Sudan to beige in the San of South Africa.