Background pattern 19 (black) #203
Dark CC 0A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
More Textures
Green & Grass #1368
Green CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Groovy Concentric Background #449
Noise CC 0Prismatic Groovy Concentric Background
Source GDJ
Mirrored Squares #123
Dark CC BY-SA 3.0Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Seamless Wood Pattern #889
Wood CC BY-SA 3.0A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Background pattern blue #1955
Blue CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Tessellation 11 (variant 2) #2539
Grid CC 0The original enhanced with some gradients.
Source Firkin
Feathered #1324
Unknow CC BY-SA 3.0This is sort of fresh, but still feels a bit old school.
Source Martuchox
Old Cardboard, Background Texture #1213
Cardboard CC BY-SA 3.0A seamless background texture of old cardboard.
Source V. Hartikainen
Dark Metallic Background Pattern #1088
Metal CC BY-SA 3.0A dark background pattern/texture of a dimpled metal plate.
Source V. Hartikainen
Dark Textile Background #1169
Fabric CC BY-SA 3.0A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Noisy Grid@2X #960
Gray CC BY-SA 3.0This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Background Patterns Lazuli #253
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Black Linen 2@2X #104
Dark CC BY-SA 3.0A new take on the black linen pattern. Softer this time.
Source Atle Mo
Retro Circles Background 8 No Black@2X #438
Dark CC 0Retro Circles Background 8 No Black
Source GDJ
Subtle White Feathers@2X #1104
Light CC BY-SA 3.0This one is amazing, truly original. Go use it!
Source Viahorizon
Wavy background #2018
Colorful CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Leafy pattern 5 #1854
Dark CC 0Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
Floral pattern 11 #1770
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Gnarly bark #2582
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Tex2res3 #723
Fabric CC BY-SA 3.0Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Dark Circles #306
Dark CC BY-SA 3.0People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
White Wall 3@2X #1149
Wall CC BY-SA 3.0This one needs to be used in small areas; you can see it repeat.
Source Luca
Decorative divider 246 #2078
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Gray Lines@2X #914
Light CC BY-SA 3.0Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Decorative divider 189 #2518
Dark CC 0From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin