Calculate the luminance of a color
Usage
get_col_luminance(col_name)
Arguments
- col_name
string representing a valid color
Value
single element numeric vector
Examples
get_col_luminance("blue")
#> [1] 0.0722
get_col_luminance("red")
#> [1] 0.2326
get_col_luminance("#000000")
#> [1] 0
get_col_luminance("#906090")
#> [1] 0.166325
get_col_luminance("#906090F2")
#> [1] 0.166325