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.
Deep blue ovals and lobed cells are outlined by a meandering network of orange, yellow and green lines that weave into interlaced lattice bands. Rounded blue cutouts alternate in staggered columns with the glowing mesh, and the repeat creates a vertical rhythm of diamond-shaped crossings and mirrored bulges across the field.
CC0 — use it for anything, no attribution needed.