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I'm using xcolor.sty's nifty wheel function to define a color scheme based on a single base color. So, for example:


makes base a pale green color, and complement a similarly pale blue (1/4 of the way round the color wheel).

Is there a way to similarly define colors by changing the saturation or brightness of an existing color?

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You could use \definecolorseries:


will let you use moresaturated!![1] for a somewhat more saturated colour, moresaturated!![2] for an even more saturated one, and so on. (But beware overflow: once the saturation reaches 1, it's reset to zero. Here moresaturated!![4] is less saturated than base.)

Obviously you can use the same trick to go down in saturation, or up or down in brightness.

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