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
More Textures
Leafy pattern 5 #1854
Dark CC 0Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
Prismatic Abstract Geometric Background 5@2X #793
Noise CC 0Prismatic Abstract Geometric Background 5
Source GDJ
Pineapple Cut #583
Diamond CC BY-SA 3.0I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
Background pattern 223 #2353
Red CC 0Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Cardboard #278
Paper CC BY-SA 3.0A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Background pattern 214 (colour 5) #2374
Green CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Background pattern 235 (colour 2) #2254
Blue CC 0To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Leafy pattern 9 #1802
Green CC 0Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Decorative divider 233 #2145
Dark CC 0From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
Background pattern 306 (colour 5) #1879
Colorful CC 0Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Diagonal Waves@2X #1007
Gray CC BY-SA 3.0It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Prismatic Abstract Geometric Background #269
Noise CC 0Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
honeycomb-regular hexagon #2540
Grid CC 0This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Argyle #643
Dark CC BY-SA 3.0Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Prismatic Basic Pattern 2 No Background@2X #448
Noise CC 0Prismatic Basic Pattern 2 No Background
Source GDJ
Background pattern 315 (colour 2) #1844
Red CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Floral tile 3 #1791
Yellow CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Floral divider 4 #1750
Dark CC 0From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Paper #657
Paper CC BY-SA 3.0Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
"Dark Wood", Free Web Background #872
Wood CC BY-SA 3.0Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Batthern #324
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Textured Orange Stripe Pattern #997
Stripes CC BY-SA 3.0A textured orange background pattern with vertical stripes.
Source V. Hartikainen