This was formed by distorting an image of a background on Pixabay.
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
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Another fairly simple design drawn in Paint.net and vectorized in Inkscape.
Source Firkin
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Classic vertical lines, in all its subtlety.
Source Cody L
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0
Source Sojan Janso
This is a remix of "blue wave-seigaiha".I hope this subtle color version of Seigaiha would be suitable for background .
Source Yamachem
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić