Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
The original enhanced with some gradients.
Source Firkin
Prismatic Hexagonalist Pattern No Background
Source GDJ
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
The image depicts a shell seamless pattern.I used an OCAL clipart called "Shell" uploaded by "jgm104".Thanks.
Source Yamachem
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek