Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
The original enhanced with some gradients.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
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
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A repeating background of beige (or is it more vanilla yellow) textured stripes. One more background with stripes.
Source V. Hartikainen
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
8 by 8 pixels, and just what the title says.
Source pixilated
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Classic vertical lines, in all its subtlety.
Source Cody L
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin