Perceptual Constancies- Law of Brightness Constancy

The law of brightness constancy is our ability to realize that color stays the same under widely different conditions of illumination.

 

 

This is a good example of brightness constancy because it shows the same person wearing the same clothes in the day time and night time.  We are able to recognize that although there was a change in lighting, the colors of the clothes/person are still the same.