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 golden outlines trace wavy, lobed motifs on a deep royal blue ground, with square medallions at the centre of each cell flanked by horizontal bands and small star-like sprigs. The motifs repeat in a regular grid, alternating mirrored halves across each row and column so the eye reads a rhythmic lattice of framed shapes.
CC0 — use it for anything, no attribution needed.