A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Seamless Green Tile Background
Source V. Hartikainen
A nice one indeed, but I have a feeling we have it already? If you spot a copy, let me know on Twitter.
Source Graphiste
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Prismatic Abstract Background Design No Black
Source GDJ
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
Prismatic Triangular Background Design Mark II 5
Source GDJ
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
This is the remix of "Strawberry Pattern Background" uploaded by "GDJ". Thanks. I realigned strawberries so as to get seamless and changed the BG color.
Source Yamachem
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
You may use it as is, or modify it as you like.
Source V. Hartikainen
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein