Custom New Theme Colors If you go to Create a New Theme, you get a better idea what the little Color Palette means.   4. Try it: Create a New Theme Colors Select Slide 1. Go to Design->Theme->Colors. Select Create New Theme Colors.   What Do You See? You will be prompted to edit the Theme Colors for the Accents, links and Text/Background.   n this example Text/Background-Light2 and Text/Background-Dark2 have been changed to light and dark green.   Click SAVE to keep your changes. Design ->Theme->Colors->Create New Theme Colors Exam 77-883: Microsoft PowerPoint 2010 2. Creating a Slide Presentation 2.4. Format slides.: Edit the Theme Colors