A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Prismatic Polyskelion Pattern No Background
Source GDJ
Old China with a modern twist, take two.
Source Adam Charlts
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen