People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
The image depicts a pattern of regular hexagon.As I made to use it for myself,I want to others to use it.Speaking about the ratio of the image, height : width = 2 : √3(1.732...)Ridiculous to say,I realized later that this image is not honey comb pattern.I have to slide the second row.
Source Yamachem
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
A white version of the very popular linen pattern.
Source Ant Ekşiler
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin