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.
Lavender and mauve tones with deep plum shadows form a grid of square, pinched-corner frames alternating with diamond medallions, their dark bands radiating outward like folded ribbon. Each motif repeats in a regular offset rhythm, so the frames and medallions align in rows and columns across the surface.
CC0 — use it for anything, no attribution needed.