Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
CC0 and seamless wellington boot pattern.
Source SliverKnight
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
To get the tile this is based on 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
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
Zero CC plastic pattern texture, photographed and made by me. CC0 *Note, this texture was on the perfectly smooth surface of a plastic shovel scraper, not sure how to call it. Plz coment if you know what its called.
Source Sojan Janso
A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Embossed lines and squares with subtle highlights.
Source Alex Parker
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Might not be super subtle, but quite original in its form.
Source Alex Smith
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Black And White Floral Pattern Background Inverse
Source GDJ
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin