You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
The original enhanced with some gradients.
Source Firkin
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Number 1 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Alternative colour scheme to the original.
Source Firkin
Colour version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
A bit strange this one, but nice at the same time.
Source Diogo Silva
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Abstract Background Design No Black
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Prismatic Polka Dots Mark II 2 No Background
Source GDJ