Guide
Best Mac wallpapers for 5K and Studio Display setups
A big Apple display shows everything, including a wallpaper's weaknesses. Four things matter more than the subject.
Short answer
A Mac wallpaper for a 5K or XDR display should be at least 5120 × 2880 px (ideally 6016 × 3384 px), have a calm strip at the top for the menu bar, keep the left third quiet where desktop icons live, and hold up in both light and dark mode.

1. Resolution headroom
The Studio Display and 27-inch 5K iMac are 5120 × 2880. The Pro Display XDR is 6016 × 3384. Anything smaller gets upscaled, and upscaling is instantly visible on a panel that dense. Downloading at 6016 × 3384 px covers every Mac Apple currently sells.
2. The menu bar strip
macOS runs a translucent menu bar across the top. Busy detail up there makes the menu text hard to read, especially in light mode. Skies, water, fog and shadow all solve it.
3. Room for desktop icons
Icons stack down the right on macOS by default, and many people move them left. Either way, a wallpaper with its subject dead centre and detail in both edges will end up covered. Off-centre compositions survive real desktops.
4. Light and dark mode
macOS tints window chrome to match your wallpaper's brightness. Very bright images make dark mode look grey; very dark images can make light-mode windows feel like holes. Mid-dark, textured artwork behaves best in both.
Which Parveda collections suit a big display
Ocean and Cars use strong directional light and read well across a wide panel. Black is the safest choice if you keep dozens of windows open. Every Parveda Mac bundle is fifty pieces at 6016 × 3384 px, composed for widescreen rather than cropped from the phone set.