Changes

<cd:description>The command <tt>\comparecolorgroup</tt> produces Show a graphic that shows the colors in a defined group in relation to each matrix of every colorgroup color on top of every othercolorgroup color, in rgb color as well as a using greyscale renderingreduction.

Colorgroups are somewhat obsolete, using colorpalets color palettes directly makes more sense nowadays.

\usecolors[dem] % predefined load demo values of colorgroups and colorpaletscolorgroup definitions

<cd:commandref name="showpalet"></cd:commandref><cd:wikipage page="Color"></cd:wikipage></cd:seealso>