Google has released new wallpapers for Pixel phones, featuring warm and sunny images in categories like Cityscapes, Textures, and Life. These wallpapers are exclusive to Pixel devices for now, but it’s possible they will be available for all Android phones in the future. Google often releases new wallpapers to commemorate occasions, and Android users have a variety of options to choose from in the Wallpapers app.
Pixel wallpapers aren’t usually this blindingly bright - they usually have around half that work with dark themes.
But yeah, dark themes/wallpapers look better on Android, period.