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Correlated Color Temperature




Color temperature describes configurations of a continuous spectrum of light, and is therefore suitable for describing light produced by heat and the incandescence of a filament such as the tungsten-halogen lamp, which emits light at a color temperature of between 3000O K and 3400O K at full production . However, the color of light produced by non-incandescent light sources such as discharge or fluorescent lamps is characterized by a non-continuous spectrum consisting of spectral lines.

The color temperature of a source composed of a series of spectral lines is described in by its correlated color temperature (in OK), which denotes the spectral makeup of a continuous spectrum light source with a similar color.