Dark Blue Gray Wallpaper Texture #901
 Stripes  CC BY-SA 3.0

This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!

Source V. Hartikainen

 More Textures
Background pattern black #2028
 Dark  CC 0

Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Decorative divider #1962
 Dark  CC 0

From a drawing in 'A Life Interest', Mrs Alexander, 1888.

Source Firkin

Indian Red Web Background #1172
 Concrete  CC BY-SA 3.0

A free web background image with a seamless concrete-like texture and an Indian-red color.

Source V. Hartikainen

Background pattern 8 (greyscale) #210
 Dark  CC 0

Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net

Source Firkin

Prismatic Abstract Geometric Background 4 No Black #441
 Dark  CC 0

Prismatic Abstract Geometric Background 4 No Black

Source GDJ

Binding Light #1136
 Light  CC BY-SA 3.0

Light gray version of the Binding pattern that looks a bit like fabric.

Source Newbury

Paven #296
 Grid  CC BY-SA 3.0

A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.

Source Josh Green

Gradient [email protected] #694
 Grid  CC BY-SA 3.0

It’s big, it’s gradient—and it’s square.

Source Brankic1979

Sandpaper #1177
 Paper  CC BY-SA 3.0

It is what it is, sandpaper.

Source Atle Mo

Smooth [email protected] #28
 Light  CC BY-SA 3.0

Some rectangles, a bit of dust and grunge, plus a hint of concrete.

Source Atle Mo

Page ornament 22 #2358
 Dark  CC 0

From a drawing in 'A Rolling Stone. A tale of wrongs and revenge', John Hartley, 1878.

Source Firkin

Grunge [email protected] #82
 Wall  CC BY-SA 3.0

Light gray grunge wall with a nice texture overlay.

Source Adam Anlauf

Perforated White [email protected] #636
 Light  CC BY-SA 3.0

A bit of scratched up grayness. Always good.

Source Dmitry

Tex2res2 #719
 Fabric  CC BY-SA 3.0

Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.

Source Janos Koos

Darth Stripe #99
 Dark  CC BY-SA 3.0

Diagonal lines with a lot of texture to them.

Source Ashton

Background pattern 234 (colour 2) #2258
 Green  CC 0

Drawn in Paint.net and vectorised in Vector Magic.

Source Firkin

Stone Wall & Dark #1495
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floors #1591
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Stone Wall & Gray #1502
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 201 (colour) #2497
 Grid  CC 0

A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.

Source Firkin

Decorative divider 210 #2364
 Dark  CC 0

Derived from elements found in a floral ornament drawing on Pixabay.

Source Firkin

Prismatic Abstract Geometric Background 2 No [email protected] #446
 Noise  CC 0

Prismatic Abstract Geometric Background 2 No Black

Source GDJ

Background pattern blue #1955
 Blue  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Flourish 2 #2299
 Dark  CC 0

From a drawing in 'Gately's World's Progress', Charles Beale, 1886.

Source Firkin

Concretia 5 #1412
 Gray  CC 0

Gamedev - Concrete Textures. CC0 License.

Source Davit Masia

Skeletal [email protected] #932
 Light  CC BY-SA 3.0

Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!

Source Angelica

Wood Texture 1 #1430
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Pyramid #895
 Light  CC BY-SA 3.0

Could remind you a bit of those squares in Super Mario Bros, yeh?

Source Jeff Wall