ocean fantasy creatures, rainbow colored contour on a blue background.

abstract abyss animal aqua aquarium art background backgroundocean banner beautiful being blue book bright card cartoon cheerful colored colorful comic contour corals creatures creaturesvector cute decoration decorative design element exotic fabric fabulous fantastic fantasy fauna fish graphic happy illustration illustrations jellyfish life magic nature nautical neon ocean octopus outline painting poster print rainbow sea seaweed template textile texture tropical under vector wallpaper water