If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Retro Circles Background 5 No Black
Source GDJ
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Prismatic Abstract Geometric Background 4
Source GDJ
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Prismatic Triangular Background Design Mark II 5
Source GDJ
The image is a design of blue glass.How about using it as background image?
Source Yamachem
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis