Keyboard users use F8.
With this option you can change almost every item of the screen to your desired color. (If your VGA-card is not VESA-compatible, the colors of some items will be connected to each other meaning that if you change the color of one item, the color of some other items will be changed too.)
In the new appearing pull-down menu you can select an item, for instance the comment-section, and the quantity red, green and blue will be shown automatically. With the mouse you can mix your new color. The cursor- user has to use the left arrow to enter the palette and the up and down arrows to select a basic color. Accordingly with the "-" and "+" cursor the quantity of that basic color can be defined.
This will reset the colors to the configuration you had before you entered the color option, unless you in the meantime selected "Save colors".
Using Load Colors and Save Colors you can load and save your own color palettes. After installation several color palettes are available for loading, but of course you can now make different screen color layouts yourself and save them with Save Colors.
This resets all colors to the standard values as are programmed in the program itself.