darken {paleoDiv} | R Documentation |
Darken or lighten colors by adding/subtracting to or hsv channel values
darken(x, add = 0, abs = NULL)
x |
Color value or vector of colors |
add |
Value to be added to the third hsv-channel. Can be a vector of length x, or a vector of any length if length(x)==1 |
abs |
Value to substitute for the third hsv-channel. If set, this overrides the setting for parameter add. Can be a vector of length x, or a vector of any length if length(x)==1 |
A color value or vector of color values of length x (or, if length(x)==1, the length of add or abs)
darken(ggcol(3),abs=0.5)