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Terminology

Terminology

Color Rendering
General expression for the effect of a light source on color appearance of objects when compared with their color appearance under a reference light source. The Color Rendering Index (CRI) scale ranges from 0 to 100, with higher numbers designating better color rendering.
Correlated Color Temperature (CCT)
The color appearance of light produced by a light source measured with the Kelvin scale (K). Low CCTs have a warm appearance (red, orange, yellow). High CCTs have a cool appearance (blue or blue-white).
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