Adjective
Of or pertaining to Max Planck (1858-1947), German physicist and founder of quantum theory.
(physics) Relating to the Planck length or Planck time
Source: en.wiktionary.orgBy analogy, nearly Planckian light sources such as certain fluorescent or high-intensity discharge lamps can be judged by their correlated color temperature (CCT); the color temperature of the Planckian radiator that best approximates them. Source: Internet
Judd's uniform chromaticity space (UCS), with the Planckian locus and the isotherms from 1,000 K to 10,000 K, perpendicular to the locus. Source: Internet
The CIE 1931 x,y chromaticity space, also showing the chromaticities of black-body light sources of various temperatures ( Planckian locus ), and lines of constant correlated color temperature. Source: Internet
The green lines show several possible pairs of complementary colors with respect to different blackbody color temperature neutrals, illustrated by the " Planckian locus ". Source: Internet