A person who can differentiate just two main colors
a person who possesses just two associated with three typical primary color-sensations; a red-blind or green-blind individual. The definition of presupposes the correctness of Young-Helmholtz concept of color-vision.
someone with the different kinds of dichromacy
somebody who can distinguish just two main colors
One who possesses just two regarding the three regular major color-sensations; a red-blind or green-blind person. The term presupposes the correctness of the Young-Helmholtz theory of color-vision.
people with some of the various forms of dichromacy