First, we need to understand how we see color ([source](https://www.pantone.com/articles/color-fundamentals/how-do-we-see-color))
>AN INTRODUCTION TO COLOR AND THE HUMAN EYE.
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>The human eye and brain together translate light into color. Light receptors within the eye transmit messages to the brain, which produces the familiar sensations of color.
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>Newton observed that color is not inherent in objects. Rather, the surface of an object reflects some colors and absorbs all the others. We perceive only the reflected colors.
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>Thus, red is not “in” an apple. ***The surface of the apple is reflecting the wavelengths we see as red and absorbing all the rest.*** An object appears white when it reflects all wavelengths and black when it absorbs them all.
The sun’s rays are polychromatic, consisting of all visible and non-visible color. Below the visible spectrum we have UV (ultraviolet) light with wavelengths too short to see and above the visible spectrum we have IR (infrared) light with wavelengths too long to see.
Red is the color with the longest wavelength of light that we can see with our eyes, which means that red colored items are absorbing all of the shorter wavelengths. Shorter wavelengths have more energy and since those wavelengths are absorbed by red objects the higher energy degrades them faster.
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