Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by theasad121
Source Firkin
Prismatic Abstract Geometric Background 2
Source GDJ
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
A version without colours blended together to give a different look.
Source Firkin
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ