Decorative divider 248 #2074
Dark CC 0From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
More Textures
Tessellation 16 #2215
Yellow CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Stardust #1209
Dark CC BY-SA 3.0Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Prismatic Hexagonalism Pattern No Background #391
Light CC 0Prismatic Hexagonalism Pattern No Background
Source GDJ
Wall #1249
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Dark Wall@2X #818
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Decorative divider 254 #2040
Dark CC 0Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857
Source Firkin
Decorative divider 245 #2079
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
PS Neutral #1134
Light CC BY-SA 3.0This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
White Well & Star #1700
Wall CC 0Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Background pattern 24 #198
Dark CC 0The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Dark Circles #306
Dark CC BY-SA 3.0People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Crisp Paper Ruffles #841
Light CC BY-SA 3.0Sort of reminds me of those old house wallpapers.
Source Tish
Perforated White Leather #635
Light CC BY-SA 3.0A bit of scratched up grayness. Always good.
Source Dmitry
Kaleidoscope Prismatic Abstract No Background #387
Noise CC 0Kaleidoscope Prismatic Abstract No Background
Source GDJ
Vintage pattern #1959
Grid CC 0Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Green Background With Leaves #1331
Green CC BY-SA 3.0It looks very nice I think.
Source V. Hartikainen
Green Gobbler #85
Dark CC BY-SA 3.0Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Background pattern 320 #1830
Pink CC 0Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Dark Tire@2X #704
Dark CC BY-SA 3.0Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien