alphacol {pkgmaker} | R Documentation |
alphacol
adds an alpha value to a colour
specification and convert to a hexadecimal colour string.
alphacol(col, alpha = FALSE)
col |
vector of any of the three kinds of R color
specifications, i.e., either a color name (as listed by
|
alpha |
logical value indicating whether the alpha channel (opacity) values should be returned. |
# Alphas alphacol('red') # do nothing alphacol('red', 10) alphacol('#aabbcc', 5) alphacol(4, 5)