On a color display, you can specify which color to use for various parts of the Emacs display. To find out what colors are available on your system, look at the `/usr/lib/X11/rgb.txt' file. If you do not specify colors, the default for the background is white and the default for all other colors is black. On a monochrome display, the foreground is black, the background is white, and the border is gray if the display supports that.
Here is a list of the options for specifying colors:
For example, to use a coral mouse cursor and a slate blue text cursor, enter:
emacs -ms coral -cr 'slate blue' &
You can reverse the foreground and background colors through the `-r' option or with the X resource `reverseVideo'.