Colorful Floral Background 3 No Black
Source GDJ
A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Prismatic Abstract Geometric Background 3
Source GDJ
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
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
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
This one is amazing, truly original. Go use it!
Source Viahorizon
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Prismatic Abstract Background Design
Source GDJ
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin