CuteWallpaper

Rainbow — Phone wallpapers

Every colour on black — smoke ribbons, maze patterns, paint splashes, line-art figures crossed by coloured beams. HD and 4K, free to download.

1125×2436pxA long-exposure rainbow ribbon of light snakes up a dark garden path at night, the grass around it staying black enough for app icons.
Rainbow Light Trail on a Dark Path HD Phone Wallpaper
3000×5333pxA cartoon bear with X eyes drawn in one gradient neon line — green, yellow, pink — on pure black, the whole top third left dark for the clock.
Graffiti Bear in Rainbow Neon HD Phone Wallpaper
1440×2560pxThe Apple logo drawn as a thin outline that shifts through blue, green, orange and pink, centred on a flat black field.
Rainbow Outline Apple Logo on Black HD Phone Wallpaper
1080×2220pxA grid of retro images — ringed planets, a prism beam, a rainbow-striped car — each on its own black tile, so the seams line up neatly behind app rows.
Retro Rainbow Collage on Black HD Phone Wallpaper
1242×2688pxMost of the frame is solid black, with a curved band of rainbow light rising from the bottom edge like the rim of a lit sphere.
Rainbow Arc Along a Black Edge HD Phone Wallpaper
1183×2560pxA spray of pink, green and blue light shoots diagonally upward with small sparks scattered around it, the rest of the frame pure black.
Rainbow Light Streak on Black HD Phone Wallpaper