Colorful Floral Background No Black
Source GDJ
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
Might not be super subtle, but quite original in its form.
Source Alex Smith
Green Web Background, Seamless tile.
Source V. Hartikainen
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper