A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
8 by 8 pixels, and just what the title says.
Source pixilated
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
From a drawing in 'Codogno e il suo territorio nella cronaca e nella storia'', Gio and Giarella Cairo, 1897.
Source Firkin
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Might not be super subtle, but quite original in its form.
Source Alex Smith
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman