From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Prismatic Curved Diamond Pattern No Background
Source GDJ
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
First pattern tailor-made for Retina, with many more to come. All the old ones are upscaled, in case you want to re-download.
Source Atle Mo
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
Here's a camo print with more tan and less green, such as might be used in a desert scenario. This is tileable, so it can be used as a wallpaper or background.
Source Eady
White handmade paper pattern with small bumps.
Source Marquis
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.
Source V. Hartikainen
Might not be super subtle, but quite original in its form.
Source Alex Smith
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo