Prismatic Abstract Background Design No Black
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
Number five from the same submitter, makes my job easy.
Source Dima Shiper
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne