three.js/docs/pages/module-ColorUtils.html.md

ColorUtils

Import

ColorUtils is an addon, and must be imported explicitly, see Installation#Addons.

import * as ColorUtils from 'three/addons/utils/ColorUtils.js';

Methods

.setKelvin( color : Color, kelvin : number ) : Color (inner)

Sets the given color from a color temperature in Kelvin.

Converts a correlated color temperature (CTT) to an approximate sRGB color using Tanner Helland's algorithm. Useful for physically-based lighting setups — e.g. candle flame (~1900K), tungsten bulb (~3200K), daylight (~6500K), or clear blue sky (~10000K). Values outside [1000, 40000] are clamped.

Reference: https://tannerhelland.com/2012/09/18/convert-temperature-rgb-algorithm-code.html

color

The color to set.

kelvin

Color temperature in Kelvin. Clamped to [1000, 40000].

Returns: The updated color.

Source

examples/jsm/utils/ColorUtils.js