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 star-like rosettes built from flame-shaped petals in blue, orange and violet rise in staggered rows, with small darker florets sitting in the gaps between them. The motifs repeat in a regular diagonal rhythm, so the eye follows bands of bright blue and warm orange sweeping across the field.
CC0 — use it for anything, no attribution needed.