An abstract Background pattern of purple twisty patterns.
Source TikiGiki
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Prismatic Geometric Pattern Background No Black
Source GDJ
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Prismatic Triangular Background Design Mark II 5
Source GDJ
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
A seamless pattern formed from background pattern 102
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
The perfect pattern for all your blogs about type, or type-related matters.
Source Atle Mo
Just like your old suit, all striped and smooth.
Source Alex Berkowitz