White circles connecting on a light gray background.
Source Mark Collins
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
A nice and simple white rotated tile pattern.
Source Another One
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
White little knobs, coming in at 10x10px. Sweet!
Source Amos
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.