Carbon Fiber #3
Carbon CC BY-SA 3.0A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
More Textures
Paper 3 #31
Paper CC BY-SA 3.0Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
Embossed Paper@2X #732
Paper CC BY-SA 3.0One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Redox 01@2X #850
Light CC BY-SA 3.0Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Wood Web Background #870
Wood CC BY-SA 3.0Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Background pattern 259 #2133
Red CC 0Remixed 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
Navy #984
Dark CC BY-SA 3.0It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Background pattern 215 #2371
Brown CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Stylized lion design #2089
Dark CC 0Derived from a drawing in 'Historiske Afhandlinger', Adolf Jorgensen, 1898.
Source Firkin
Prismatic Polka Dots Mark II 2 No Background@2X #533
Noise CC 0Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Paven@2X #297
Grid CC BY-SA 3.0A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Background pattern 315 (colour 6) #1840
Green CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Background pattern 1 #220
Noise CC 0A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Bamboo Background Pattern #1330
Green CC BY-SA 3.0This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Mocha Grunge@2X #1100
Gray CC BY-SA 3.0You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
WaveCut #75
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Gold Wall & Dark #1254
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Green Background Pattern with Warped Vertical Stripes #1328
Green CC BY-SA 3.0Green Background Pattern
Source V. Hartikainen
Background pattern 226 (colour 3) #2318
Colorful CC 0A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Background pattern 306 (colour 2) #1881
Colorful CC 0Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Page ornament #1993
Dark CC 0From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin