This forms a yellowish or brownish "skin" on the outside of the shell.

For they are beautiful animals, their flesh smooth and firm, the muscles working in swift curves beneath their brownish, hairless skin.

The calm of battle was wearing off her and embarrassment taking over; her brownish skin stained with a blotchy red blush.

The process transformed Brin again, making him physically wolflike (with brownish black skin limited fur on his body) but allowed him to retain his mind.

His brownish skin went pale at the sight of the voracious neogi ship bearing down on the lumbering Unquenchable.

They had the fair, brownish skin of the true Martian, the yellow coin eyes, the soft musical voices.

Black hair, dark eyes, brownish skin, and the facial features she thought of as Chinese.

Moreover, it is not unusual at all for a protagonist to be moreno/morena (brownish skin).

They're slightly pointy, with brownish skins, bright scarlet flesh and a richly concentrated, jammy flavor.

Saaski has a different appearance from other villagers; she has brownish skin and pale, wild hair, and slanted, color-changing eyes.