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.
Thin pale-teal star outlines and rosettes float on a deep teal-black ground, with larger radial medallions alternating with smaller stars and tiny bow-tie or hourglass glyphs. The motifs sit in a staggered grid, so the rows shift diagonally and the repeat reads as a steady, lattice-like rhythm.
CC0 — use it for anything, no attribution needed.