Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
A version without colours blended together to give a different look.
Source Firkin
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin