Background pattern 225 (colour 2) #2326
Yellow CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
More Textures
Black Leather Texture (Seamless) #1118
Leather CC BY-SA 3.0A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
Background pattern 230 (colour 2) #2302
Green CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Carbon Fiber@2X #4
Carbon CC BY-SA 3.0A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Gray Lines #913
Light CC BY-SA 3.0Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Tessellation 15 #2223
Dark CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Background pattern 250 (colour) #2171
Yellow CC 0To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Inspiration Geometry@2X #1176
Unknow CC BY-SA 3.0This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Background pattern 309 (colour 4) #1863
Green CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Floral design 98 #1783
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Pine Bark #1276
Wall CC 0Zero CC tileable pine bark texture, photographed and made by me. CC0
Source Sojan Janso
Floral background 2 #2471
Yellow CC 0Background formed from the original with an emboss effect.
Source Firkin
WaveCut@2X #76
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Decorative divider 298 #1744
Dark CC 0From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
Pinetree in tortoiseshell(亀甲松) #2538
Dark CC 0The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
Background pattern 214 (colour 3) #2375
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 2 #221
Noise CC 0A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Square ornament 38 #2147
Dark CC 0From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
"Dark Metal Plate", Web Background #1084
Metal CC BY-SA 3.0A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
Vintage pattern 2 #2295
Yellow CC 0Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Colourful background #2007
Colorful CC 0Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Dark Wall@2X #818
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Decorative divider 238 #2088
Dark CC 0From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Flying swan pattern #1979
Blue CC 0Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
White Sand #19
Light CC BY-SA 3.0Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
P4 #1111
Light CC BY-SA 3.0I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper