maikdevries/Portal

Rainbow spectrum colour correction

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Is your feature request related to a problem? Please describe
The CIE 1931 brightness corrected colours [#1] match more closely, but there's still room for improvement in colour accuracy.

Describe the solution you'd like
In addition to CIE 1931 brightness correction, colour correct the individual RGB channels with a rainbow colour spectrum instead of the standard colour spectrum. This should improve the colour accuracy even more, especially the yellows.

Describe alternatives you've considered
Once again, there are alternative colour correction implementations, but this idea seems to be more standard.

Additional context
FastLED HSV Colours