Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Seamless Light Background Texture.
Source V. Hartikainen
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Fix and cc0 to get the tile this is based on.
Source SliverKnight
A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
Sort of reminds me of those old house wallpapers.
Source Tish
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Prismatic Abstract Geometric Background 2 No Black
Source GDJ