Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Black brick wall pattern. Brick your site up!
Source Alex Parker
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
Abstract Ellipses Background Grayscale
Source GDJ