Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
A seamless texture of a rough concrete surface.
Source V. Hartikainen
8 by 8 pixels, and just what the title says.
Source pixilated
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady