alpha
From scales v0.4.1
by Hadley Wickham
Modify colour transparency. Vectorised in both colour and alpha.
Modify colour transparency. Vectorised in both colour and alpha.
Usage
alpha(colour, alpha = NA)Arguments
- colour
- colour
- alpha
- new alpha level in [0,1]. If alpha is
NA, existing alpha values are preserved.
Examples
library(scales)
alpha("red", 0.1)
alpha(colours(), 0.5)
alpha("red", seq(0, 1, length.out = 10))
Community examples
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