Background pattern 227 (colour 5) #2310
Colorful CC 0A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
More Textures
Psychedelic@2X #746
Gray CC BY-SA 3.0Geometric triangles seem to be quite hot these days.
Source Pixeden
Triangular #1156
Gray CC BY-SA 3.0Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
"Cork Board", Seamless Background For Websites #875
Wood CC BY-SA 3.0Seamless Background For Websites. It has a texture similar to cork-board.
Source V. Hartikainen
White Brick Wall #593
Wall CC BY-SA 3.0If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Blue Stripes Pattern #969
Stripes CC BY-SA 3.0A textured blue background pattern with vertical stripes.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 2 No Background #538
Diamond CC 0Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Colourful background 14 (colour 2) #2525
Colorful CC 0An alternative colour scheme for the original background.
Source Firkin
Cross Scratches #625
Paper CC BY-SA 3.0Subtle scratches on a light gray background.
Source Andrey Ovcharov
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
Diamond pattern (colour 7) #2274
Red CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Floral background #1964
Dark CC 0Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Tex2res2 #719
Fabric CC BY-SA 3.0Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Decorative divider 244 #2080
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Fabric 6 (colour 5) #2591
Green CC 0An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
Background pattern 197 #2513
Green CC 0A version without colours blended together to give a different look.
Source Firkin
Abstract Arbitrary Geometric Background@2X #498
Noise CC 0Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Black Wall #1240
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Classy Fabric #611
Dark CC BY-SA 3.0This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Background pattern 236 #2249
Dark CC 0Seamless pattern the basic tile for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
honeycomb-regular hexagon #2540
Grid CC 0This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Decorative divider 226 #2178
Dark CC 0Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin