na-adjective, noun which may take the genitive case particle 'no', noun
naturally dark-skinned
Describes a person whose skin is naturally dark, not tanned. Often used to contrast with sun-tanned skin (日焼け).
彼は地黒だから、夏でもあまり焼けない。
He is naturally dark-skinned, so he doesn't tan much even in summer.
地黒の人は日焼け止めを塗らなくても大丈夫だと思われがちだ。
People with naturally dark skin are often thought to be fine without sunscreen.