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The Color Spectrum of Light

color spectrum of light

Each light source will have a unique color spectrum. This spectrum is of a flashlight that uses a high-powered Cree white LED. This spectrum shows only the wavelengths that are visible to the eye. The spectrum determines the appearance of colors to the human eye. This spectrum has a large amount of blue, but low red color. This LED would render blues intensely, but wash out the red colors.

The Color of Objects

Color is produced by the absorption of selected wavelengths of light by an object. Objects can be thought of as absorbing all colors except the colors of their appearance, which are reflected as illustrated below. A blue object illuminated by white light absorbs most of the wavelengths except those corresponding to blue light. These blue wavelengths are reflected by the object.

color of objects

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