Corrugation #765
 Light  CC BY-SA 3.0

The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.

Source Anna Litvinuk

 More Textures
Stone Wall & Gray #1499
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Subtle [email protected] #926
 Light  CC BY-SA 3.0

Super subtle indeed, a medium gray pattern with tiny dots in a grid.

Source Designova

Gray [email protected] #756
 Gray  CC BY-SA 3.0

Floral patterns might not be the hottest thing right now, but you never know when you need it!

Source Lauren

Flourish pattern #1736
 Dark  CC 0

Remixed from an image that was uploaded to Pixabay by Pixeline

Source Firkin

Lockingstripes #1685
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Background pattern 246 #2186
 Red  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Background pattern 257 (colour) #2136
 Green  CC 0

Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Green & Hedge #1366
 Green  CC 0

Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!

Source Linolafett

Elegant [email protected] #317
 Wall  CC BY-SA 3.0

This is a hot one. Small, sharp and unique.

Source GraphicsWall

Feathered #1324
 Unknow  CC BY-SA 3.0

This is sort of fresh, but still feels a bit old school.

Source Martuchox

Grunge For Surfaces 5 #1402
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Frozen Surface With Diagonal Stripes #912
 Stripes  CC BY-SA 3.0

This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.

Source V. Hartikainen

Floral pattern 6 (colour 6) #2455
 Fabric  CC 0

Alternative colour scheme for the original floral pattern.

Source Firkin

More Rough Wood 6 #1432
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Billie Holiday #1002
 Light  CC BY-SA 3.0

No relation to the band, but damn it’s subtle!

Source Thomas Myrman

Grunge For Surfaces 7 #1404
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Polyester Lite #837
 Light  CC BY-SA 3.0

A tiny polyester pixel pattern.

Source Jeremy

Seamless Colorful Floral Pattern Background #256
 Fabric  CC 0

PDP

Source GDJ

Background pattern 259 (colour 5) #2098
 Pink  CC 0

Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Colorful Paw Prints Pattern Background #260
 Noise  CC 0

pixabay.

Source GDJ

Page ornament 23 #2357
 Dark  CC 0

Formed in Paint.net and vectorised in Vector Magic.

Source Firkin

Background pattern 243 (colour 2) #2196
 Colorful  CC 0

Random colour tile.

Source Firkin

Dark Denim #372
 Dark  CC BY-SA 3.0

Thin lines, noise and texture creates this crisp dark denim pattern.

Source Marco Slooten

Retro Squares Background [email protected] #796
 Noise  CC 0

Retro Squares Background 8

Source GDJ

Background pattern 310 (colour 2) #1861
 Yellow  CC 0

Based on an image that was uploaded to Pixabay by devanath

Source Firkin

Stone Wall & Dark #1496
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Prismatic Abstract Geometric Background 5 No Black #402
 Noise  CC 0

Prismatic Abstract Geometric Background 5 No Black

Source GDJ

Micro [email protected] #8
 Carbon  CC BY-SA 3.0

Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.

Source Atle Mo

Background pattern 323 (colour 5) #1808
 Noise  CC 0

Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.

Source Firkin