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.
Bright cyan, blue, yellow and red-orange bands swirl around small blue star-like centers and three-lobed heart shapes arranged in triangular clusters. Each triangle nests inside its neighbors, and the tile repeats in offset rows, so the triangular motifs form a staggered, interlocking rhythm across the page.
CC0 — use it for anything, no attribution needed.