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, burnt orange and mustard streaks radiate from square motifs at the center of each tile, their feathered edges forming nested frames that step inward toward small concentric squares. Cross-shaped bands of fine striations meet at the tile edges, so the repeat reads as a grid of framed medallions separated by a crisp, rhythmic lattice.
CC0 — use it for anything, no attribution needed.