protective coloration

Silence, too, is another form of protective coloration not unknown by the oppressed.

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

He was leaning against the far end of the bar and nursing a tall glass, which gave him protective coloration.

It was protective coloration, but not exactly the whole truth.

That might have been protective coloration, but who knows what happened on that return trip from China?

The gilded stars are gone now, and so is the protective coloration of fiction.

So the best thing is to adopt a protective coloration.

He didn't have much in the way of protective coloration.

"Give yourself some protective coloration," he told the dark man.

The food was protective coloration in any case and he had no intention of eating the thing.