This was formed by distorting an image of a background on Pixabay.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
A version without colours blended together to give a different look.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
Seamless Prismatic Quadrilateral Line Art Pattern No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
You know you love wood patterns, so here’s one more.
Source Richard Tabor
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
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 pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova