A piece of paper looks white in both the noonday sun and under moonlight, even though there is less light being reflected off the paper under moonlight. This form of perceptual constancy is called _________.

Question

Quizplus · Accepted Answer

Color constancy is the feature of the human color perception system that ensures that the perceived color of objects remains relatively constant under varying illumination conditions. This is why a piece of paper appears white both in the bright light of the sun and under the much dimmer light of the moon.

A Piece of Paper Looks White in Both the Noonday