Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Abstract Background Design
Source GDJ
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
White handmade paper pattern with small bumps.
Source Marquis
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz