This background has abstract texture with some similarities to wood.
Source V. Hartikainen
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
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 seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin