Get the names and RGB hex string values for the known named colors.
USAGE:
colors()
color.values(x = NULL)
OPTIONAL ARGUMENTS:
x
Character vector of color names. If
NULL, all colors
are returned.
VALUE:
colors returns an unnamed character
vector containing the known color names such as
"red".
color.values
returns a named character
vector, where the names are the color names and the elements are RGB
values such as
"#FF0000" or
"#FF000080".
The seven-character description specifies the red, green, and blue values in the range 0
to 255 in hex notation. The nine-character description includes the
"alpha" value for semi-transparent or transparent colors. If "alpha"
is not included, the color is fully opaque with alpha of 255,
i.e., "FF" in hex.
SIDE EFFECTS:
None
SEE ALSO:
.
EXAMPLES:
# Get the color names
colors()
# Get the RGB values for all named colors
color.values()
# Get the RGB values for specific colors
color.values(c("red", "teal"))