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Underwater Backgrounds: 16 Coral Reef, Kelp Forest, Jellyfish, Shell, Shipwreck and Bubble Designs in Square and Widescreen Sizes
Fourteen sunlit sea-floor scenes, where a sandy path winds between orange, lilac and gold coral toward shafts of light, plus two pale bubble-water textures that repeat seamlessly. Every design comes as a 3600-pixel square and in two 16:9 screen sizes.
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Light falls through the surface in visible rays in almost every one of these underwater backgrounds and lands on a pale sandy path that winds away between banks of coral: branching orange coral, lilac sea fans, gold plate coral, green seaweed and small yellow fish. Fourteen of the sixteen designs are built on that view, rendered in fine, crowded detail, and each adds one thing of its own. The last two are plain bubble-water textures. All of the artwork is AI-generated and was enlarged for the bigger files.
Fourteen scenes on the sea floor
- A sea creature as the focus: a green sea turtle passing a rock arch (01), a seahorse wrapped around a kelp stem (07), a spotted eagle ray gliding over the reef (10), a smaller turtle in tall seagrass (11), and three glowing peach and lilac jellyfish in deeper blue water (13).
- Rock and light: a sea fan wall with a school of fish (02), a reef canyon (03), tall blue rock columns under strong light rays (04) and a grotto of arches with fish curling through it (05).
- Kelp: golden kelp fronds over the path (06), with more kelp in 07.
- Shells and the unexpected: big scallops and conches on the sand (08, 09), a palace built of shells with a glowing doorway (12), and an old wooden shipwreck with broken masts, overgrown with coral (16).
Because so many share the coral-and-path layout, these work well as a coordinated set, but put two side by side before buying if you need very different looks.
Bubble textures, 14 and 15
These are light ripple patterns, one powder blue and one seafoam mint, scattered with clear-looking bubbles. With no reef or animals in them, they leave the whole surface free for text or photos, and the PNG versions repeat without a seam.
Screens and printing
Every design has 1920 x 1080 and 3840 x 2160 versions, so all sixteen can be used as a desktop or video call background. They are crops of the squares, so some sky and some sand are lost: the shell scenes lose most of their light rays, while the jellyfish and the rock columns keep theirs. Compare the two before you choose.
The PDFs hold one uncropped square per page, 8 inches on US Letter and about 7.77 inches on A4 at Actual Size, with white margins. A 12-inch square needs the JPG on larger paper. The reef scenes and the deep blue of 13 use a lot of ink, so print one page as a test first.
Questions
- Why don't the file names match the design titles?
- The files keep short working names, so Turtle reef arch is saved as 01_coral_lagoon and Jellyfish garden as 13_cartoon_night. Every file starts with its design number, and Design-Index.csv lists the title next to each file name and PDF page.
- Which designs can be tiled?
- Only the two bubble textures, 14 and 15. Each was built from four mirrored panels so the opposite edges meet, which also gives the water a soft, symmetrical pattern if you look closely. The fourteen scenes are single pictures with a top and a bottom.
