The graphical background on Apple’s forthcoming mobile operating system, specifically designed with darker color palettes, is a key customization element. These visual themes aim to reduce eye strain in low-light environments while providing a distinct aesthetic. Examples would include solid black, deep grays, or images with predominantly shadowed regions used as the home screen or lock screen.
The adoption of such visual themes can conserve battery life on devices with OLED screens, where black pixels require no power. Furthermore, this design choice may enhance readability by increasing contrast between text and background. Historically, user preferences for interface appearance have driven operating system developers to include built-in dark mode options or allow for third-party customization.