Colors

Apparently, the human eye can distinguish approx 100 colors in the spectrum of a rainbow.

That's why the Munsell colour system distinguishes 100 hues.

C/C++: https://github.com/aleksandaratanasov/RGBConverter, apparently obsoleted by https://github.com/FastLED/FastLED.

JavaScript: https://stackoverflow.com/questions/17242144/javascript-convert-hsb-hsv-color-to-rgb-accurately

CSS allows to specify colors with color names.

X11 color names were the basis for web colors.

This (SVG) list provides X11 colors (with the addition of gray/grey variants from SVG 1.0) that are supported by popular browsers along with their hexadecimal and decimal representation (compare this list with Recognized color keyword names)

https://gamedev.stackexchange.com/questions/46463/how-can-i-find-an-optimum-set-of-colors-for-10-players

Color related attributes in Graphviz.

PowerShell:

• Colorize the output of a command.
• PowerShell: ANSI colors
• Define colors for different token types

Writing colorred output in

• VBScript
• cmd.exe: echo, color

The R function colorRampPalette

The .NET struct System.Drawing.Color

ANSI escape sequences allow to modify colors in a terminal

Colors in the Excel Object Model

graphic