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.
Dark slate-blue ground with lighter steel-blue and pale highlights forms interlocking medallion rings set in a diagonal grid, each ring holding a central lozenge and smaller square cartouches between them. Rows of small bright dots and dashes ring the medallions, so the repeat reads as a steady, offset lattice of circles and squares.
CC0 — use it for anything, no attribution needed. Read the FAQ