- color->hex-string specprocedure
spec can be a string or symbol naming a color from the X11 colors database, a list or vector of 3 integers, or a hex string of the form "#RRGGBB".
Returns a hex string of the form "#RRGGBB".
spec can be a string or symbol naming a color from the X11 colors database, a list or vector of 3 integers, or a hex string of the form "#RRGGBB".
Returns a hex string of the form "#RRGGBB".