determine more pale colors for given colors
Finds colors that are ‘equivalent’ to the colors given as the first argument, but more pale.
a color or a vector of colors for which the pale version should be found
number between 0 and 1 determining how much paler the result should be.
further arguments passed on to
The function increases rgb coordinates of colors ‘proportionally’: crgb <- t(col2rgb(col)/255); rgb(1 - pale * (1 - crgb))
character vector: names of colors to be used as color argument for graphical functions.
Werner A. Stahel, ETH Zurich
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