Thursday, January 13, 2022

[pnzmtbew] avoiding CMY brighter than RGB

consider traveling around the saturated colors in the color wheel (future post gxmkhjal).  on an RGB display, cyan, magenta, and yellow will (probably) be brighter than their neighbors on the wheel red, green, and blue because more pixels (subpixels) are turned on.

instead, compute not fully saturated values of C, M, and Y so that the brightness of the color ramps between saturated red, green, and blue points is linear.

this should be easy.  easiest is to use the Y component of YCbCr (which is slightly different from YUV); also possible is Cielab.

gamma will make things complicated.

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