Yes, I am. Planckian radiation is the term of art in color science, prescribed by its standards body, the CIE. https://files.cie.co.at/CIE_TN_013_2022.pdf https

Yes, I am. Planckian radiation is the term of art in color science, prescribed by its standards body, the CIE. https://files.cie.co.at/CIE_TN_013_2022.pdf https://files.cie.co.at/CIE_TN_013_2022.pdf To understand what I mean by "closest Planckian light source" see https://en.wikipedia.org/wiki/Planckian_locus https://en.wikipedia.org/wiki/Planckian_locus