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1. Color is a light.
2. Light travels in waves.
3. All visible colors are inherent in white or colorless light, each perceived color having its own dominant wave length.
4. Red-blue-green are the primary colors of light and by selectively adding them, all other colors of the spectrum, as well as white light, can be produced.
5. There are light sensitive receptors in our eyes. One type responds to red wave lengths, another responds to green wavelengths, and the third to blue/violet wave lengths.
6. Additive colors are produced by combining different light waves.
7. Subtractive colors are produced when a substance, which is not itself a source of energy, subtracts light energy from an outside source.
8. The subtractive secondary colors of light absorbing materials are magenta, cyan and yellow.
9. Color has dimension. Three important dimensions are: HUE-or dominant wave length (red, blue, pink, etc.) VALUE- (lightness) CHROMA- (saturation, intensity, purity)