Convert 12 hexadecimal digit color representations to 6 hexidecimal digit color representations

Tk colors must be in 6 hexadecimal format with two hexadecimal digits for each of the red, green, and blue components. Twelve hexadecimal digit colors have 4 hexadecimal digits for each. This function converts the 12 digit format to the 6 provided the color is preserved.

hex12tohex6(x)

Arguments

x

a vector with 12 digit hexcolors

Details

Function throws a warning if the conversion loses information. The l_hexcolor function converts any Tcl color specification to a 12 digit hexadecimal color representation.

Examples

x <- l_hexcolor(c("red", "green", "blue", "orange"))
x
#> [1] "#FFFF00000000" "#000080800000" "#00000000FFFF" "#FFFFA5A50000"
hex12tohex6(x)
#> [1] "#FF0000" "#008000" "#0000FF" "#FFA500"