In iOS 18 developer beta 3, Apple added a new dynamic wallpaper option that shifts colors automatically throughout the day.

iOS 18’s third developer beta includes a “dynamic” version of the default iOS 18 wallpaper that shifts colors, as reported by 9to5Mac. Previous betas had four color options (and dark mode ...

To make the dynamic wallpaper appear on both your Lock Screen and Home Screen, tap Set as Wallpaper Pair in the pop-up. Otherwise, tap Customize Home Screen to do so separately.