Embossed lines and squares with subtle highlights.
Source Alex Parker
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
This metal background pattern resembles a metal plate with rivets. Solid rivets on a metal plate.
Source V. Hartikainen
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Sharp pixel pattern, just like the good old days.
Source Paridhi
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
A bit of scratched up grayness. Always good.
Source Dmitry
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Looks like an old wall. I guess that’s it then?
Source Viahorizon