When Microsoft introduced Start Screen and tiles feature in Windows 8 operating system, all tiles had same background color based on Start Screen's background color. But with the release of Windows 8.1, Microsoft changed this behavior.Now each tile has different background color based on the associated program's icon. In other words, the tile pulls its background color from the associated. Change your desktop background color Change your desktop background color Windows 10 Select Start > Settings > Personalization > Colors, and then choose your own color, or let Windows pull an accent color from your background. Change desktop colors SUBSCRIBE RSS FEEDS Need more help? Expand your skills Explore Training Get new features first. Mar 31, 2021 · Right-click the Policies key on the left side, select New -> Key. Name it System. While the newly-created System key is selected, right-click any empty space on the right side, select New -> String Value. Name the string Wallpaper and set its value to the path for the default wallpaper you want to use: For example, C:\.