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.
Teal and green glowing stars with golden centers sit at the crossings of elongated teal leaf shapes, forming a grid of cross-like clusters. Each star is surrounded by soft pale halos, and the leaf forms link neighboring stars in evenly spaced horizontal and vertical rows.
CC0 — use it for anything, no attribution needed.