You can change the colors used in the highlighting bands in the library's Author-it Xtend user options tab.
To change the highlighting color:
- In the main window, choose the Files > Author-it Options > Author-it Xtend
-or-
In the Editor, choose Edit > Author-it Xtend> Author-it Xtend Dialog Box Launcher.
- Double-click on the highlighting band to display the color picker.
- Select a new color from the Basic colors or Custom colors and choose OK.
- Save the changes to the User Options.