Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Spice up your next school project with this icon background.
Source Swetha
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A free seamless background pattern for use on websites.
Source V. Hartikainen
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
Old China with a modern twist, take two.
Source Adam Charlts
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel