This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Psychedelic Geometric Background No Black
Source GDJ
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Prismatic Polka Dots Mark II No Background
Source GDJ
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
This background image is great for using in web design or graphic design projects. And don't forget to visit the homepage. I frequently update this resource with fresh tileable backgrounds.
Source V. Hartikainen
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen