From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A floral background formed from numerous clones of flower 117.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Prismatic Polyskelion Pattern No Background
Source GDJ
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
A cute x, if you need that sort of thing.
Source Juan Scrocchi