Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Sort of reminds me of those old house wallpapers.
Source Tish
In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A black tile-able background with paper-like texture.
Source V. Hartikainen
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
You guessed it – looks a bit like cloth.
Source Peax Webdesign
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
A comeback for you: the popular Escheresque, now in black.
Source Patten