Green Web Background, Seamless tile.
Source V. Hartikainen
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Prismatic Curved Diamond Pattern No Background
Source GDJ
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Prismatic Groovy Concentric Background 3
Source GDJ
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Abstract Tiled Background Extended 11
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
White circles connecting on a light gray background.
Source Mark Collins
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
If you want png files of thisu can download them here :
Source Viscious-Speed
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein