Dark Geometric #619
Dark CC BY-SA 3.0Continuing the geometric trend, here is one more.
Source Mike Warner
More Textures
Inflicted #117
Grid CC BY-SA 3.0Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Fabric of Squares #1095
Light CC BY-SA 3.0As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Retro Circles Background 7 No Black@2X #434
Unknow CC 0Retro Circles Background 7 No Black
Source GDJ
Background pattern 245 #2192
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
Background pattern 250 (colour 3) #2169
Colorful CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Batthern #324
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Background pattern 313 #1858
Dark CC 0Background pattern originally a PNG drawn in Paint.net
Source Firkin
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
Fancy Deboss@2X #178
Fabric CC BY-SA 3.0Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Translucent Fibres@2X #944
Light CC BY-SA 3.0The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Textured Grid Paper #1316
Orange CC BY-SA 3.0A tile-able background for websites with paper-like texture and a grid pattern layered on top of it.
Source V. Hartikainen
fishnet 02 #2473
Dark CC 0This is a more minute version of "fishnet 01".The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
Diagonal Striped Brick #679
Stripes CC BY-SA 3.0Might not be super subtle, but quite original in its form.
Source Alex Smith
Asfalt@2X #928
Dark CC BY-SA 3.0A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Fabric Pattern with Stitch Holes #1163
Fabric CC BY-SA 3.0A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
Background pattern 331 (version 2) #1745
Pink CC 0Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
Floral pattern 10 #1771
Yellow CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Decorative divider 272 #1925
Dark CC 0Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black@2X #442
Dark CC 0Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Seamless Canvas (Pale Brown) #1165
Fabric CC BY-SA 3.0A seamless canvas texture for using as background on websites. Colored in pale tones of brown.
Source V. Hartikainen
Green Web Background, Seamless tile #1332
Green CC BY-SA 3.0Green Web Background, Seamless tile.
Source V. Hartikainen
Shapes decorative divider #1903
Colorful CC 0Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin