Color Table Issues:

The GUI automatically determines the size of the color-table on your computer. The GUI needs only 16-colors, which it attempts to allocate from the standard color-table on start-up. If the GUI cannot allocate the colors, it will print a message to the screen saying that it is attempting to find-and-use the closest colors from the color-table that have already been allocated by other applications. Usually this results in satisfactory color selections, and the issue becomes transparent to the user.

However, on some systems the color choices may appear very poor. In such cases you should make the following environment variable setting: 

	setenv USEOWNCMAP 1
This causes the GUI to create its own color-map. Then it should have no trouble allocating the colors it needs. The only downside is that the colors of your other windows will flip-out as your mouse enters the GUI window, and vice-versa, as your screen switches between color-palettes.