Changing the Default Screen Colors (Macintosh)
When you connect to the mainframe through the Macintosh client, the default screen colors are white text on a black background. Complete the following steps if you want to change the text and background colors onscreen.
From the Sessions menu, select Colors to display the Color Selection page.
Click the color of the current text or background that you want to change.
Select the desired color from the Color wheel.
Click OK twice to save your settings.
Be sure to save your settings by replacing the default settings file.