colour temperature

British  

noun

1. physics the temperature of a black-body radiator at which it would emit radiation of the same chromaticity as the light under consideration

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Example Sentences

Firstly, they are two to three times as bright as traditional halogens, and their "colour temperature" is bluer and whiter, which mimics natural daylight.

From BBC • Feb. 18, 2026

Mr Scheidt notes that for warm-toned LEDs, the efficiency drops somewhat, but it's still possible to achieve around 160 lumens per watt for warm white luminaires, with a colour temperature of 2,700 kelvin.

From BBC • Dec. 18, 2023

A rotating research centre can turn 360 degrees, with adjustable interior lamps changing the colour, temperature, brightness and light spectrum.

From The Guardian • Jul. 18, 2018

They changed the colour temperature of the overhead lights and the tint of the large, glass windows.

From Nature • Sep. 13, 2016

There is no precipitate whatever; and not five yards from their source they mingle with a strong current of cold pure mountain water, to which no perceptible alteration is imparted in colour, temperature, or taste.

From The Highlands of Ethiopia by Harris, William Cornwallis