Here’s a quick How-To on how to set the editor background color in PHPStorm.
Open your settings dialogue, then head on over to Editor->Color Scheme->General in the left navigation of the settings dialogue.
On the right hand side, you will see a list of expandable items. At the bottom you see Text . Expand this entry and select Default Text .
On the far right hand side you now see the Background Option, in which you can set the editor’s background color either with a color picker or by entering a hex code.
Here’s a screenshot which lets you see how to set the PHPStorm editor’s background color:
