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.
Interlocking star-like rosettes of soft violet ribbon-forms radiate across a near-black ground, with dark rounded cutout shapes filling the spaces between them. The motif repeats in a regular diagonal lattice, so the bright rosette centers and dark openings alternate in an even, rhythmic grid.
CC0 — use it for anything, no attribution needed.