Great Barrier Reef translates the world's largest living structure into an interface language. Deep tropical-ocean teal grounds every surface, with turquoise shallows glowing above and coral-pink colonies pulsing as accents — the way fluorescent coral proteins luminesce under blue water.

Rounded humanist type and flowing, layered depth gradients carry the organic, friendly mood of reef ecology. Nothing is sharp or sterile; everything reads as a living, breathing marine biome rendered in cyan, teal, and soft coral.