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Change General preferences in Preview on Mac
On your Mac, use General preferences in Preview to change the background color that appears in Preview windows.
To change this preference, choose Preview > Preferences, then click General.
Option | Description | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Window background | Preview shows a gray background behind PDFs and images. To change the background color, click the “Window background” color well, then choose a color. | ||||||||||