This was formed by distorting an image of a background on Pixabay.
Source Firkin
Abstract Tiled Background Extended 12
Source GDJ
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle 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
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Prismatic Abstract Geometric Background 4
Source GDJ
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
This background has abstract texture with some similarities to wood.
Source V. Hartikainen
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim