Prismatic Groovy Concentric Background 2
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Just like the black maze, only in light gray. Duh.
Source Peax
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
It looks very nice I think.
Source V. Hartikainen
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A heavy hitter at 400x400px, but lovely still.
Source Breezi
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Prismatic Abstract Geometric Background 2 No Black
Source GDJ