This is a seamless pattern which is derived from a flower petal image.
Source Yamachem
Same classic 45-degree pattern, dark version.
Source Luke McDonald
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Prismatic Groovy Concentric Background 4
Source GDJ
A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
You know you love wood patterns, so here’s one more.
Source Richard Tabor
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
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
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