The color temperature of light denotes how the light appears on a spectrum from warm (yellow-toned) to cool (blue-toned). It's measured in degrees of Kelvin (K) on a scale from 1,000 to 10,000.

Color temperature refers to the color of the light itself and is measured in Kelvins. The Kelvin scale spans from 1,000 to 10,000 Kelvin. The lower on the scale you go, the warmer the light is ...