That is not their natural coloration; they bleach their hair and dye their skin.

So maybe it was all natural protective coloration he'd acquired early.

The natural coloration of the shrimp is blue of varying intensity, with black "tiger" stripes along its body.

They quickly revert to the natural coloration of common carp within a few generations.

Probably natural coloration; but he thought of Slaker, and shuddered.

I would think that her natural coloration would be more becoming.

His kind had a knack for using shadows to their advantage, blending into darkness as if it was their natural coloration.

And since she had, she shouldn't have retained what was obviously her natural coloration and features.

But even as he stared, Enoch knew it was not paint, but the natural coloration of this thing which had come from somewhere among the stars.

His natural coloration blended beautifully with the stone behind him, and the lines of his feathers passed for rock-striations.