Here's how you can change the Windows 8 Start screen color or background. 1. Open the Charms bar. 2. Go to Settings. 3. Go to Change PC Settings. 4. Go to Start Screen in the Personalize category. 5. Select your color and background preference.
For more, see the original article at the link below.
HDG Guide to Customizing and Organizing the Windows 8 Start Screen | Help Desk Geek