Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
From a drawing in 'An Old Maid's Love. A Dutch tale told in English', Maarten Maartens, 1891.
Source Firkin
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
A seamless background of warped stripes on paper.
Source V. Hartikainen
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-brown.
Source Yamachem
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Real snow that tiles, not easy. This is not perfect, but an attempt.
Source Atle Mo
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien