It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Same classic 45-degree pattern, dark version.
Source Luke McDonald
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
A repeating background with seamless texture of stone. There haven't been any stone-like backgrounds for a while, so I have decided to create one more. The rest can be found in the appropriate category.
Source V. Hartikainen
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen