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“French painters, he would continue, may have seen a rainbow. Nature may have given them some taste for nuance, some sense of color. But I have revealed to you the great and true principles of art. I say of art! of all the arts, gentlemen, and of all the sciences. The analysis of colors, the calculation of prismatic refractions, give you the only exact relations in nature, the rule of all relations. And everything in the universe is nothing but relations. Thus one knows everything when one knows how to paint; one knows everything when one knows how to match colors.” – Jean-Jacques Rousseau, from The Essay on the Origin of Languages Color is a form of energy derived from the electromagnetic spectrum that stimulates our perceptual processes and is instrumental in conveying emotions. In some instances, color is culturally encoded, projecting content through symbolism or associations. The origin for such references are found in the way that the energy (wavelengths), from a particular color, generates feeling; a physiological change produced by the wavelength (energy), of a particular color or colors. The energy which emanates from green is distinctly different from the wavelengths that define red. In some cultures, pure red is associated with danger. Feelings and attitudes created by the aggressive, radiate energy, which is unique to the red part of the spectrum. When pure red is altered, its emotional attributes change, as in the stability associated with red earth colors, or the whimsical fluctuation produced by pink. In this sense, color transmits feeling(s) through the perception of energy (wavelengths) from the electromagnetic spectrum.