If the hyperlink opens a Web page, you can't change its color this way. The hyperlink will remain blue – PowerPoint's default color for links – which may clash with the text box's background ...

You can change and set the background color for all of your Office 2007 materials, and all of Office's background-changing processes are similar across the entire platform of programs.

We explain how to remove and change the background in PowerPoint. Background is a part of a picture, scene, or design that forms a setting for a picture.