Same classic 45-degree pattern, dark version.
Source Luke McDonald
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A free seamless background texture of "timber wall" (colored in dark brown).
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
White handmade paper pattern with small bumps.
Source Marquis
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Prismatic Basic Pattern 2 No Background
Source GDJ
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Abstract Ellipses Background Grayscale
Source GDJ
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
The following free background pattern has glossy diagonal stripes as a texture to it, and it's colored in a light blue gray color. This background pattern is suitable for using in web design or any other graphic design projects. This applies to all background patterns here.
Source V. Hartikainen