Plasma has the ability to automatically select an accent color based on the colors of the currently applied wallpaper, however, you also have the option to specify a specific accent color for more artistic control. Setting a custom accent color for Plasma wallpapers You can add the "X-KDE-PlasmaImageWallpaper-AccentColor" property in your wallpaper's metadata.json file to specify the accent color that will be applied to the Plasma Desktop when the user enables the "Accent color from wallpaper...
