Low Contrast Linen #863
Dark CC BY-SA 3.0A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
More Textures
Background pattern 331 (version 2) #1745
Pink CC 0Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
Grid Paper Background (Blue Gray) #1162
Grid CC BY-SA 3.0A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Background pattern 323 (colour 4) #1809
Green CC 0Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Leafy pattern 10 #1775
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Decorative divider 297 #1746
Pink CC 0From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Brushed Alum Dark #65
Dark CC BY-SA 3.0Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
"Polished Blue Stone", Seamless Web Texture #1052
Stone CC BY-SA 3.0An abstract web texture of a polished blue stone (or does it look more like ice).
Source V. Hartikainen
Fruit on a branch #1967
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Background pattern 264 #2071
Orange CC 0The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Floral Background No Black #475
Light CC 0Prismatic Floral Background No Black
Source GDJ
Arrows pattern #1722
Noise CC 0Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
Square ornament 37 #2177
Dark CC 0Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Pool Table #175
Wall CC BY-SA 3.0This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
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
Fabric pattern (colour 6) #2397
Fabric CC 0Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Ribbon pattern 2 (version 2, colour 4) #2036
Colorful CC 0The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Background pattern 294 #1921
Dark CC 0Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
Abstract Arbitrary Geometric Background@2X #498
Noise CC 0Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Seamless Prismatic Geometric Pattern With Background #264
Dark CC 0Seamless Prismatic Geometric Pattern With Background
Source GDJ
Background pattern pink #1948
Pink CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Pyramid@2X #896
Light CC BY-SA 3.0Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Decorative divider 240 #2086
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Dark Brick Wall #135
Wall CC BY-SA 3.0Black brick wall pattern. Brick your site up!
Source Alex Parker
White Wall 3@2X #1149
Wall CC BY-SA 3.0This one needs to be used in small areas; you can see it repeat.
Source Luca