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.
Black-green stripes on a warm pale grey ground form diamond-shaped star motifs with radiating, tapering bands that meet in small four-pointed knots between them. The motifs repeat in a regular grid, with large diamonds alternating row by row with smaller offset stars, creating a rhythmic zebra-like flow across the surface.
CC0 — use it for anything, no attribution needed.