Always Grey #53
Dark CC BY-SA 3.0Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
More Textures
Patterned metal plate 7 #2556
Metal CC 0From an image on opengameart.org shared by rubberduck.
Source Firkin
Fabric pattern 2 #2396
Fabric CC 0Not 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
Wavy background #2020
Green CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Tileable Wood #655
Wood CC BY-SA 3.0Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Prismatic Curved Diamond Pattern 6 No Background #545
Dark CC 0Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Subtle Carbon #949
Dark CC BY-SA 3.0There are many carbon patterns, but this one is tiny.
Source Designova
Floral background 22 #1780
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Gray Striped Background #906
Stripes CC BY-SA 3.0Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Diamond pattern #2285
Brown CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Cross Scratches #625
Paper CC BY-SA 3.0Subtle scratches on a light gray background.
Source Andrey Ovcharov
Subtle White Feathers #1103
Light CC BY-SA 3.0This one is amazing, truly original. Go use it!
Source Viahorizon
"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
Square ornament 37 #2177
Dark CC 0Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Repeating Website Background (Blue Gray) #1192
Concrete CC BY-SA 3.0The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
Triangles@2X #744
Grid CC BY-SA 3.0Sharp but soft triangles in light shades of gray.
Source Pixeden
Soft Wallpaper #95
Wall CC BY-SA 3.0Coming in at 666x666px, this is an evil big pattern, but nice and soft at the same time.
Source Atle Mo
Xv #314
Paper CC BY-SA 3.0Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Wood with flaky paint #2562
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Old Mathematics #43
Stripes CC BY-SA 3.0This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green