Photoshop is an awesome photo editor software. when i used Photoshop for the first time, it’s default background color was dark, That is nice for some people. but if you are not into dark/black backgrounds and want change it to some light colors, this tutorial will help you

It’s easy to change background color of Photoshop, this was tested in Photoshop 2017 cc and hopefully it should work on all other new versions of Photoshop

select Edit from navigation menu, the menu options will appear. go to the bottom in the options menu and select preferences

in preferences, select General, a new interface will appear, select Interface below General. 

Now you can select the color you want and click OK to save it.