Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Colour version of the original pattern.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Prismatic Chevrons Pattern 5 With Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Seamless Green Tile Background
Source V. Hartikainen
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Alternative colour scheme to the original.
Source Firkin
Heavily remixed from a drawing in 'Barbara Leybourne; a story of eighty years ago', Sarah Hamer, 1889.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin