This background has abstract texture with some similarities to wood.
Source V. Hartikainen
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Embossed lines and squares with subtle highlights.
Source Alex Parker
The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Black brick wall pattern. Brick your site up!
Source Alex Parker
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Classic vertical lines, in all its subtlety.
Source Cody L
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
A floral background formed from numerous clones of flower 117.
Source Firkin