The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.
Source V. Hartikainen
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
A pale olive green background with a seamless texture.
Source V. Hartikainen
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
A free seamless background with pink spots.
Source V. Hartikainen
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
An alternative colour scheme for the original background.
Source Firkin
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
A seamless web background with texture of aged grid paper.
Source V. Hartikainen