HomeOLED Wallpaper Rainbow Arches Abstract Design Bold Graphic Wallpaper 4K for Phone. Free download. Abstract wallpaper featuring a series of concentric arches in rainbow colors against a black background, creating a bold, graphic design. {getCard} $type={download} $title={Wallpaper} $info={1179x2556} $button={DOWNLOAD} $id={} pc-wallpaper-4k-version Tags: OLED Wallpaper Simple Design Wallpapers Vibrant Color Wallpaper