Black Topo Wallpaper
Contour lines as pattern — topographic maps and elevation rings on black. Community-shared; register to add your own.
Topographic art is made entirely of thin curved lines, which is the strictest possible resolution test: a one-pixel line either survives at native size or turns into a grey smear when scaled. Everything here is kept native. Contour patterns are also one of the best desktop backgrounds available — the line density is even across the frame, so there is no focal point for icons and windows to sit on and ruin. Right-click or long-press to save; free for personal use.
Common questions
Do black wallpapers actually save battery?
On OLED and AMOLED screens, yes. A true-black (#000000) pixel is switched off rather than dimmed, so it draws no power — and with an always-on display that runs all day the difference is measurable. On an LCD screen it saves nothing, because the backlight stays on either way. Not sure which you have? Our OLED test tool fills the screen with pure black: on an OLED it goes completely dark, on an LCD you can still see the backlight glowing grey.
How do I set one as my wallpaper?
Long-press on mobile or right-click on desktop to save the image, then set it from your gallery or system wallpaper settings.
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