I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Colour version of the original pattern.
Source Firkin
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Non-seamless pattern drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Prismatic Geometric Pattern Background 2
Source GDJ
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
8 by 8 pixels, and just what the title says.
Source pixilated
Prismatic Abstract Geometric Background 3
Source GDJ
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
A background pattern with blue on white vertical stripes.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin