Custom wallpaper color shows as white and unable to change after macOS 15.4 update on Mac mini

I upgraded to 15.4 and now my Wallpaper is white and I am unable to select a custom color. Why is that?




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Mac mini (M2 Pro, 2023)

Posted on Mar 31, 2025 4:18 PM

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Posted on Mar 31, 2025 4:25 PM

Because it's a bug that many users, but not all, are seeing in 15.4.


If you want to use a particular color, create a tiny RGB image, like 5 x 5 pixels, in the color you want and put it in the Pictures folder of your user account.


Then select that image in System Settings. It will automatically tile to fill the screen.

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Custom wallpaper color shows as white and unable to change after macOS 15.4 update on Mac mini

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