abstract backgrounds bare bark brown bumps close-up colors colours contrast cracked cracks dark dry edge edges gnarled gray grey grooves layers lines mottled patterns perspectives ridges rough shade shades-of-colour shadows shapes strips sunlight surface surfaces texture textured textures tree tree-trunk trunk uneven variations varieties wallpaper wood wrinkled wrinkles wrinkly angled angles appearance background blended blue color coloration colored colour coloured contrasting dark-blue deep deep-water glassy interconnected interlinked intertwined jellyfish light liquid liquidy marine-life patterned sea-creatures shape shaped surfacing under-water variety vibrant water art artwork dead-wood grain hard-wood lumber painted painting surfaced timber twisted wood-grain artistic backdrop black bright brilliant circles circular corners cream decoration decorative design detailed detailed patterns geometric geometrical gold golden image images intermeshed interwoven kaleidoscopic patterns mandala multicoloured points radiating rays red rounded sharp style white yellow arty intricate intricate patterns orange purple vibrancy beach builders' rubble coast coastline dumped growing growth levels low tide mangroves natural ocean outcrop pebbles plants pollution receding tide rock formations rocks rocky rubble sand sea seashore seaside shore shoreline Sizes stones stony sunshine tidal tides waste waterline colorful colourful details grains grainy hazy indistinct marbled pointed square swirly tile