Source: Image of an Eye, Fair Use http://harunyahya.com/en/Books/2870/miracle-in-the... Cones, Fair Use http://www.achromatopsia.info/color-blindness/ Painting of Isaac Newton, wikipedia http://en.wikipedia.org/wiki/File:GodfreyKneller-IsaacNewton-1689.jpg Sir Isaac Newton Newton’s Color Circle, wikipedia http://en.wikipedia.org/wiki/File:Newton's_colour_circle.png Johann von Goethe, wikipedia Anthropology catalog, Portugal 2013, pages 6 and 21 Experience Life, March 2013 issue, pages 59 and 88
The seven hues of visible light: red, orange, yellow, green, blue, indigo and violet. These hues are arranged on the spectrum by wavelength.
A measurement in Kelvin used to describe lighting conditions when viewing color.
The name of a color.
German writer and artist who studied the physiological effects of color. Goethe opposed Newton's analytical data and also created a color circle.
Another term for the intensity of a color, usually refers to the purity or vividness of a color.
English physicist, mathematician and color theorist who decomposed light into the colors of the spectrum, devised the Particle Theory of Light and created the first color "circle".
Another term for lightness or darkness.