A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
The original enhanced with one of Inkscapes's filters.
Source Firkin
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Prismatic Hexagonalist Pattern No Background
Source GDJ
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Kaleidoscope Prismatic Abstract No Background
Source GDJ
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Colour version of the original seamless pattern.
Source Firkin
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
Might not be super subtle, but quite original in its form.
Source Alex Smith
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae