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
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Spice up your next school project with this icon background.
Source Swetha
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Prismatic Floral Background No Black
Source GDJ
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers