Manual:DIL Manual addcolor()

Function:  addcolor (ch : unitptr, ks : string, cstr : string ) ;

  ch
         character you are adding the color to
  ks
         key string for the color
  cstr
         color string

This function allows your Dils to create and add their own personal colors to a players
color list.  That way you can actually make an act in a color that the player chooses or
you yourself choose.
Function:  addcolor(pc, "clan_who","&c+w&bn");