Adds transparency to a vector of colors — transp • MiscMetabar

Adds transparency to a vector of colors

Usage

transp(col, alpha = 0.5)

Arguments

col: a vector of colors
alpha: (default 0.5) a numeric value between 0 and 1 representing the alpha coefficient; 0: total transparency; 1: no transparency.

Value

a color vector

See also

The R package RColorBrewer, proposing a nice selection of color palettes. The viridis package, with many excellent palettes

Author

Thibaut Jombart in adegenet package

Examples

transp("red")
#> [1] "#FF000080"
transp(c("red", "blue"), alpha = 0.3)
#> [1] "#FF00004D" "#0000FF4D"