> Figure 44: The Planckian locus visualized on a CIE 1931 chromaticity diagram<p>Visualized... using broken code. Note the Planck curve isn't going through white. Imagine your surprise at setting your monitor to a 6500K or 5000K white point, and finding it green or yellow.<p>> (source: Wikipedia)<p>Sigh. WP has Article and Talk, but neither has served as a "writer's notebook" for long-term memory. So when there's lots of brokenness out in the world, and there's been lots of broken color code over the years, WP has difficulty remembering to avoid it.