Crayola eight-pack choice (3)

I believe the answer is:

red

(Other definitions for red that I've seen before include "could be a Marxist" , "River, its source in the US, flowing north to empty into L Winnipeg" , "- Cross; - admiral" , "- Cross; - carpet" , "Blushing" .)

I've seen this clue in the LA Times.

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