The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Prismatic Curved Diamond Pattern No Background
Source GDJ
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Tiny circle waves, almost like the ocean.
Source Sagive
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Prismatic Abstract Geometric Background 5
Source GDJ
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A pale olive green background with a seamless texture.
Source V. Hartikainen
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
A bit of scratched up grayness. Always good.
Source Dmitry