A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Seamless Olive Green Web Background Image
Source V. Hartikainen
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Classic vertical lines, in all its subtlety.
Source Cody L
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. Version with black background.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Might not be super subtle, but quite original in its form.
Source Alex Smith
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin