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 plum quatrefoil-like medallions with soft lilac-grey scalloped rings sit in a grid, separated by small diamond-shaped motifs with dark centers that form a diagonal rhythm between each row and column.
background-image: url("https://images.tilejar.com/t/3503288523/pattern-p4m-square-2938421883-spirograph-512x512.png");
background-repeat: repeat;
background-size: 512px 512px;
CC0 — use it for anything, no attribution needed.