Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß