Chromatics
The study of color in all its forms is sometimes referred to as chromatics. Color is an artifact of our brains interpretation of light waves through the eye. There are plenty of interesting issues and problems about how we have thought about color through the ages.
From additive to subtractive methods, color is an important part of our existence and survival.
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Maximum Color Contrast
If you are using deterministic color generation, then it runs the full spectrum of possible colors as results. To handle the good, the bad and the ugly colors, you need to be able to determine and adjust complimenting text and backgrounds to create the maximum contrast and readability. These are a few quick and simple functions that can help.
HLS World Map
There are several algorithms out there to programatically generate a color from text, but this takes it one step further and generates a color based on a physical location.