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.
Vivid green, cyan, magenta and red bands ripple outward from swirling rosette centers, linking into interlocking lobed arches and framing small square motifs at the midpoints. The unit repeats in a regular grid, so the curved petal-like forms meet edge to edge and create a continuous rhythm of arches and clustered spirals across the surface.
CC0 — use it for anything, no attribution needed.