The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
This was formed by distorting an image of a background on Pixabay.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Prismatic Polyskelion Pattern No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin