A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
Black version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Almost like little fish shells, or dragon skin.
Source Graphiste
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor