How Do I Do That In Lightroom Classic?, 2nd Edition

Change the Background Color?

By default, your background color is white, but if you wanted to change it, it’s pretty easy. Go to the Page panel (in the right side Panels area), and the first checkbox at the top is Page Background Color. Once you turn on the checkbox, click on the little color swatch to the right of it to bring up the Page Background Color picker (seen above). It puts the most common page background colors (white, black, and shades of gray) across the top, but you can choose any other shade by clicking in the gradient that appears ...