Color is a subject in physics, chemistry, physiology and psychology. The latter studying human responses to its shades and intensities.
From physics we learn that visible light is the result of electromagnetic frequences, which represent the color spectrum red-orange-yellow-green-blue-indigo(?)-violet. There are two more color frequences on either side of the spectrum, invisible to the human eye: infra-red and ultra-violet.
Color frequencies themselves are not colors. They turn into colors in the beholder’s eye by way of three cone types behind the retina, which – organised according to the color spectrum’s three key colors red-yellow-blue – send information to the human brain.
Comments