The combination of the human eye and the brain forms a very, very powerful tool in which light enters the eye, is interpreted by the brain, and the brain forms the visual picture of the world around you. The brain is incredibly flexible in its ability to discern and manipulate the colors that you see. It has the enormous ability to turn a wide variety of colors of light into “white” light.
Theoretically, “white” light has an equal combination of all of the colors of the spectrum, which doesn’t truly occur in nature. Our brains use the primary natural source of light, the sun, as a reference to “white” light.
The spectural distribution of colors in average natural sunlight. Sunlight has a full spectrum of colors, but it ...