45Mpx-to-9Mpx image of Sun's spectrum overlaid with nm legends (https://www.noao.edu/image_gallery/html/im0600.html © N.A.Sharp, NOAO/NSO/Kitt Peak FTS/AURA/NSF)
my discussion [with myself] on color [mis]calibration between sRGB, CIE, and W dispersion: Crissov/unicode-proposals#222 (comment)