Why is the hue circle circular at all? Posted on November 14, 2011 by matteomycarta There is an excellent explanation at the link below: Also watch this short video by Minute Physics: “There is no pink light“. If you are interested in the subject of color and visualization I would encourage you to read Color for the Sciences by Jan J. Koenderink (MIT Press). Share this: Email a link to a friend (Opens in new window) Email Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook More Print (Opens in new window) Print Share on Reddit (Opens in new window) Reddit Share on Tumblr (Opens in new window) Tumblr