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.
Wavy vertical bands of navy, orange, olive and violet run down the full height, interrupted by rosette-like motifs in orange and olive that stack in staggered columns. Rounded star forms nest within concentric zigzag rings, and the repeats alternate in a steady vertical rhythm with a half-step offset between columns.
CC0 — use it for anything, no attribution needed.