Using the Fonts panel (Command-T), you can set a background color for the entire document, but you can’t apparently do something like this: TextEdit with selected text blocks in differing ...

How to Populate a Text Box in an HTML Page. HTML forms enable you to create dynamic Web pages and can provide a method of interaction between you and your business contacts.

HTML Web programming language enables you to change the background color as well as add a background image. You can use an image to display a background that features multiple colors.