Black brick wall pattern. Brick your site up!
Source Alex Parker
Prismatic Abstract Background Design
Source GDJ
A seamless texture of a rough concrete surface.
Source V. Hartikainen
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
Prismatic Polyskelion Pattern No Background
Source GDJ
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background formed from the original with an emboss effect.
Source Firkin
Looks like an old rug or a computer chip.
Source Patutin Sergey
A free seamless background pattern for use on websites.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Neat little photography icon pattern.
Source Hossam Elbialy
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Prismatic Abstract Geometric Background 5
Source GDJ
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Prismatic Curved Diamond Pattern No Background
Source GDJ