This package includes"xcolors"

-rwxr-xr-x-     root     root       8152 Jul 24 12:20 /usr/X11R6/bin/xcolors
-r--r--r---     root     root        359 Jul 24 12:20 /usr/X11R6/lib/X11/app-defaults/Xcolors
-r--r--r---     root     root       1457 Jul 24 12:20 /usr/X11R6/man/man1/xcolors.1x.gz