Dark Wall@2X #818
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
More Textures
First Aid Kit #701
Fabric CC BY-SA 3.0No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Decorative divider 292 #1774
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background #385
Noise CC 0Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Background pattern 225 #2327
Colorful CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Ribbon pattern 2 (version 2, colour 5) #2035
Colorful CC 0The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Indian Red Web Background #1172
Concrete CC BY-SA 3.0A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Prismatic Groovy Concentric Background 3@2X #458
Noise CC 0Prismatic Groovy Concentric Background 3
Source GDJ
Floral pattern 12 #1766
Dark CC 0Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Blue #1264
Paper CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Flourish pattern (colour) #1737
Yellow CC 0Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Gold Wall #1242
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Dark Brown Wood Pattern #884
Wood CC BY-SA 3.0A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Notebook #1178
Gray CC BY-SA 3.0This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Diagonal Striped Brick #679
Stripes CC BY-SA 3.0Might not be super subtle, but quite original in its form.
Source Alex Smith
Txture #757
Dark CC BY-SA 3.0Dark, lines, noise, tactile. You get the drift.
Source Anatoli Nicolae
Prismatic Isometric Cube Wireframe Pattern No Background #499
Light CC 0Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
Dirty Old Black Shirt@2X #854
Dark CC BY-SA 3.0Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Seamless Cork Board Background #881
Wood CC BY-SA 3.0Here's a seamless brown cork board background texture. Feel free to download or reshare if you like.
Source V. Hartikainen
Carbon Fiber v2 #105
Carbon CC BY-SA 3.0One more updated pattern. Not really carbon fiber, but it’s the most popular pattern, so I’ll give you an extra choice.
Source Atle Mo
Translucent Fibres #943
Light CC BY-SA 3.0The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
Stressed Linen #986
Dark CC BY-SA 3.0We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
"Dark Brick Wall", Background Pattern #1024
Stone CC BY-SA 3.0Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
Fruit pattern 4 #2453
Pink CC 0A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin