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 diamond and hourglass medallions in teal, olive green, violet and brown sit in staggered rows, separated by wavy magenta bands that ripple horizontally across the field. Small X-shaped crosses and diamond cores repeat at regular intervals, creating a steady, rhythmic lattice that flows from row to row.
CC0 — use it for anything, no attribution needed.