Add transparency to colors

Add transparency to colors

add_transparency(col, transparency = 0)

Arguments

col

A vector of colors.
transparency

Transparency, numeric value between 0 and 1.

Value

A vector of colors.

Examples

add_transparency("red", 0.5)
#> [1] "#FF000080"
add_transparency(1, 0.5)
#> [1] "#00000080"
add_transparency("#FF000080", 0.2)
#> [1] "#FF0000CC"