This article is missing information about ISO 7589 standard illuminants; CIE indoor ID50 and ID65 illuminants; CIE FL3.1 through FL3.15 "new fluorescent" illuminants; CIE HP "high-pressure discharge" illuminants, all found with references in sds.py. (January 2024) |
A standard illuminant is a theoretical source of visible light with a spectral power distribution that is published. Standard illuminants provide a basis for comparing images or colors recorded under different lighting.