An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Prismatic Curved Diamond Pattern No Background
Source GDJ
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
Original seamless pattern with an Inkscape filter.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
Geometric triangles seem to be quite hot these days.
Source Pixeden
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
Old China with a modern twist, take two.
Source Adam Charlts
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso