An abstract Background pattern of purple twisty patterns.
Source TikiGiki
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
A background pattern with a look of rough fabric.
Source V. Hartikainen
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
White circles connecting on a light gray background.
Source Mark Collins
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo