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.
Concentric magenta and green rings ripple outward from clustered rosette medallions, with small diamond motifs nestled between them in a lattice across the field. The medallions and diamonds repeat in a regular grid, so the rings meet at the tile edges to form a steady, rhythmic lattice of circles and diamonds.
CC0 — use it for anything, no attribution needed.