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
Joined spirals pattern #2482
Yellow CC 0The starting point for this was drawn on the web site steamcoded.org/PolyskelionMaker.svg
Source Firkin
Always Grey@2X #54
Dark CC BY-SA 3.0Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
Background pattern 214 #2377
Blue CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Abstract Ellipses Background Grayscale #378
Dark CC 0Abstract Ellipses Background Grayscale
Source GDJ
Prismatic Geometric Tessellation Pattern 4 No Background #557
Noise CC 0Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Light Honeycomb@2X #60
Light CC BY-SA 3.0Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Soft Kill #318
Dark CC BY-SA 3.0Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Wall #4 Light@2X #780
Wall CC BY-SA 3.0I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Page ornament #1988
Dark CC 0From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Tex2res1@2X #722
Fabric CC BY-SA 3.0Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Textured Red Brown Plastic #878
Wood CC BY-SA 3.0Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
Wood Background Pattern #882
Wood CC BY-SA 3.0A seamless background pattern with a texture of wood planks. This wood background pattern has vertically arranged planks. You may try to rotate it 90°, to see how it will look like when the wood planks are arranged horizontally.
Source V. Hartikainen
Prismatic Abstract Geometric Background 4 #271
Noise CC 0Prismatic Abstract Geometric Background 4
Source GDJ
Background pattern 201 (colour 4) #2494
Grid CC 0A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
WaveCut #75
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Rough Diagonal@2X #692
Fabric CC BY-SA 3.0The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Floral background 21 #1785
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Strange Bullseyes #865
Light CC BY-SA 3.0This is indeed a bit strange, but here’s to the crazy ones!
Source Christopher Buecheler
Subtle Surface@2X #926
Light CC BY-SA 3.0Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova