The term "color constancy" refers to the fact that

A) you see mostly red and green in the fovea, mostly yellow and blue in the periphery.
B) a green apple still looks green even when you wear red-tinted glasses
C) you continue to see color briefly after the lights are turned off.
D) .after you stare at a brightly colored object and then look away, you see a different color.

Color Constancy

The ability of the human visual system to perceive colors of objects, under varying lighting conditions, as being constant.

Red-tinted Glasses

Glasses with lenses that are tinted red, which can influence perception and mood, sometimes used experimentally to study the effects of colored light on human behavior.

Green Apple

A variety of apple that is generally green in color, often with a tart flavor, used both in cooking and consumed raw.