The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
From a tile that can be had by selecting the rectangle in Inkscape 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
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Prismatic Groovy Concentric Background 2
Source GDJ
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
You know you love wood patterns, so here’s one more.
Source Richard Tabor