rgbcolor.ps
%! 20 setlinewidth 100 300 moveto 300 0 rlineto 1.0 0.0 0.0 setrgbcolor stroke 100 320 moveto 300 0 rlineto 0.5 0.0 0.0 setrgbcolor stroke 100 340 moveto 300 0 rlineto 0.0 1.0 0.0 setrgbcolor stroke 100 360 moveto 300 0 rlineto 0.0 0.5 0.0 setrgbcolor stroke 100 380 moveto 300 0 rlineto 0.0 0.0 1.0 setrgbcolor stroke 100 400 moveto 300 0 rlineto 0.0 0.0 0.5 setrgbcolor stroke 100 460 moveto 300 0 rlineto 1.0 1.0 0.0 setrgbcolor stroke 100 480 moveto 300 0 rlineto 0.5 0.5 0.0 setrgbcolor stroke 100 500 moveto 300 0 rlineto 1.0 0.0 1.0 setrgbcolor stroke 100 520 moveto 300 0 rlineto 0.5 0.0 0.5 setrgbcolor stroke 100 540 moveto 300 0 rlineto 0.0 1.0 1.0 setrgbcolor stroke 100 560 moveto 300 0 rlineto 0.0 0.5 0.5 setrgbcolor stroke showpage