There are a few ways to change Facebook background color. You can use the tools in the Facebook app, or you can use a third-party application. The first way is to use the tools in the Facebook app. The Facebook app has a color picker, and you can change the background color of your account by selecting one of the colors from the list. The second way is to use a third-party application. Some applications offer features that allow you to change your Facebook background color. For example, Google Chrome offers a feature called “Background Color.” You can select one of the colors from the list, and then click on “Change Background.”