Dark Wall #817
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
More Textures
blue glass design #2545
Blue CC 0The image is a design of blue glass.How about using it as background image?
Source Yamachem
Prismatic Snowflakes Pattern No Background #411
Light CC 0Prismatic Snowflakes Pattern No Background
Source GDJ
Diagonal Noise #181
Fabric CC BY-SA 3.0A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
Repeating Wood Straw Background #887
Wood CC BY-SA 3.0A repeating background with wood/straw like texture.
Source V. Hartikainen
Carbon Fiber Big #326
Carbon CC BY-SA 3.0Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Flying swan pattern #1978
Blue CC 0Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Seamless arrow pattern remix #2528
Dark CC 0Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Old Brown Leather, Seamless Texture #1117
Leather CC BY-SA 3.0This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Background pattern 214 (colour 5) #2374
Green CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Background pattern 105@2X #564
Dark CC 0A seamless pattern formed from background pattern 102
Source Firkin
Decorative divider 212 #2343
Dark CC 0Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Decorative divider 288 #1820
Dark CC 0From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Wave Grind@2X #1133
Light CC BY-SA 3.0Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Prismatic Groovy Concentric Background 4 No Black #463
Noise CC 0Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Sine wave background 2 #1734
Dark CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Pixel Weave@2X #1155
Unknow CC BY-SA 3.0Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Subtle White Feathers #1103
Light CC BY-SA 3.0This one is amazing, truly original. Go use it!
Source Viahorizon
Dark Denim 3@2X #596
Dark CC BY-SA 3.0This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Floral tile 4 #1710
Dark CC 0Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Geometric pattern #2006
Grid CC 0A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin