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Determine whether or not a color name is valid

Source: R/common-fun-colors.R
is_valid_color.Rd

A name of color is valid when either is a color name listed by grDevices::colors or a hexadecimal string of the form #rrggbb

Usage

is_valid_color(col_name)

Arguments

col_name

string representing a valid color

Value

logical flag

Examples

is_valid_color("darkblue")
#> [1] TRUE
is_valid_color("#FF8C00")
#> [1] TRUE
is_valid_color("#FF8C00DC")
#> [1] TRUE
is_valid_color("RED")
#> [1] FALSE