If you’re working in the default “Pages” view, where pages are shown with a background-style border, it will change the color of your page. Not the background behind that.

Adding a Colored Background to Posts on Tumblr. Your Tumblr theme sets the background color of each of your posts. Tumblr also offers you the option to edit your theme to further customize your ...

One way to customize labels is by adding an eye-catching background color to them. You can change the color of the entire page using a solid color, a gradient or even a picture using Publisher's ...