Eyes act in a similar way to that of a camera, which has this light sensitive plane, which the lens focuses and inverted image on. In the human eye, this light sensitive plane is called the retina with the retinas and the cantos and the rods, the cantos are used to perceive color. The rods are used to respond to low light and movement. Some species see no color. Some see a few colors. Some see old colors, and some see colors that are not visible to the human eye.

When combined red green light produce yellow, blue and green lat produce sign Red and Blue lat produce magenta. When mixed together, the three primary colors of red, green and blue create white loss