Photoshop fills the background with whatever color is currently selected for the background color on the toolbar, so select your desired background fill color prior to creating your new canvas.

If you Ctrl-click on a component channel of a color file, the selection you make from it is only as opaque as the fill of that color component.

Photoshop's Generative Fill feature, known as Firefly, is out of beta. Here's how you can expand images, add or delete objects, or make something from scratch.

This guide shows how to use Photoshop Generative Fill the new Adobe Firefly AI technology that allows you to quickly modify images using AI ...