This was formed by distorting an image of a background on Pixabay.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A seamless pattern formed from a tile made from ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
This is the remix of "Colorful Floral Pattern Background 3" uploaded by "GDJ". Thanks.
Source Yamachem
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Original minus the background
Source Firkin