Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
The base gradient edited so now more details are rendered.
Source Lazur URH
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Tile-able Dark Brown Wood Background. Feel free to use it as a background image in your designs or somewhere on the web. By the way, the color seems to be close to Coffee Brown.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
The name tells you it has curves. Oh yes, it does!
Source Peter Chon