KnowraPlanckian locusLinked fromLinked fromThe 4 pages that link to Planckian locus, each with the reason it gives.All 4Related 4Color temperatureRelated: It maps each blackbody temperature to a chromaticity used to define color temperature.Spectral power distributionRelated: Serves as the reference path against which a source's SPD-derived chromaticity is placed.Illuminant (colorimetry)Related: Daylight and incandescent illuminants sit on or near this curve, the basis of their ratings.Standard illuminantRelated: Correlated color temperature is defined by closeness to this curve.