A background should sit behind the text, not in place of it. This paragraph lies on the tile at its true scale — if it reads without effort, the tile can go under content.
Vivid magenta, violet, lime and aqua radiate outward from a grid of nine centered yellow rosettes, each ringed by small concentric medallions with teardrop petals. Diamond-shaped flares of color fill the gaps between them, so the repeat reads as a steady, diagonal lattice of bright stars.
CC0 — use it for anything, no attribution needed. Read the FAQ