Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
An alternative colour scheme for the original background.
Source Firkin
Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
A free seamless background with pink spots.
Source V. Hartikainen
Original minus the background
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
A nice and simple gray stucco material. Great on its own, or as a base for a new pattern.
Source Bartosz Kaszubowski
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae