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.
Turquoise and bright green ground carries blue cross-shaped medallions set in a diagonal grid, with ornate blue rosettes and yellow-olive curved bands weaving between them, repeating in a regular staggered rhythm across the field.
CC0 — use it for anything, no attribution needed.