Foreground and Background
Select the Use colours from system theme option to use the colors that are specified in the GNOME Desktop theme that is selected in the Theme preference tool.
Use the Built-in schemes drop-down list to specify the foreground and background colors for the terminal.  supports the following foreground and background color combinations:
Black on light yellowBlack on whiteGray on blackGreen on blackWhite on blackCustom
This option enables you to select colors that are not in the selected color scheme.
The actual display of the foreground and background colors can vary depending on the color scheme that you choose. For example, if you choose White on black and the Linux console color scheme, the application displays the foreground and background colors as light gray on black. The Built-in schemes drop-down list is only enabled if the Use colours from system theme option is unselected.
Click on the Text colour button to display the Choose terminal text colour dialog. Use the color wheel or the spin boxes to customize the color that you want to use as the text color, then click OK. The Text colour button is only enabled if the Use colours from system theme option is unselected.
Click on the Background colour button to display the Choose terminal background colour dialog. Use the color wheel or the spin boxes to customize the color that you want to use as the background color, then click OK. The Background colour button is only enabled if the Use colours from system theme option is unselected.
Palette
A color scheme is a palette of 16 colors. Use the Built-in schemes drop-down list to choose the color scheme that you want to use.  supports the following color schemes:
Linux consoleXtermRxvtCustom
Each color scheme is slightly different. For example, Linux console uses light gray instead of white. The Custom color scheme enables you to create a customized color palette.
Use the Colour palette to customize the 16 default colors in the custom color palette. To customize a color, click on the color to display the Palette entry dialog. Use the color wheel or the spin boxes to customize the color, then click OK.
