A heavy hitter at 400x400px, but lovely still.
Source Breezi
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Same classic 45-degree pattern, dark version.
Source Luke McDonald
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
This one is amazing, truly original. Go use it!
Source Viahorizon
Prismatic Groovy Concentric Background 4
Source GDJ
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin