by Julieanne Kost
Tapping the F key cycles through Photoshop’s three screen modes: Standard Screen Mode, Full Screen with Menu Bar and Full Screen Mode. When in Full Screen Mode, the panels and tools are automatically hidden and the image is surrounded by a solid black background.
To change the background color in any of the screen modes, Control -click (Mac) | Right Mouse -click (Win) in the area surrounding your image and choose from the context sensitive menu.
To change the color and border options in any of the Screen Modes, select Preferences > Interface and customize the Appearance menus.
Note: even though you can use your context sensitive menus to change the color that surrounds the image in Full Screen mode, the old “secret shortcut” still works – select your desired color as your foreground color swatch in the Tool bar and Shift-click in the background area with the Paint Bucket tool.