Escheresque@2X #778
Light CC BY-SA 3.0Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
More Textures
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Diamond pattern (colour 7) #2274
Red CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Diamond pattern (colour 6) #2280
Yellow CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Background pattern 308 (colour 5) #1869
Blue CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Gun Metal #360
Dark CC BY-SA 3.0With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
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
Prismatic Abstract Geometric Background 4 No Black #441
Dark CC 0Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Fabric Pattern with Stitch Holes #1163
Fabric CC BY-SA 3.0A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
Tessellation 15 (colour) #2222
Blue CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Flourish 1 #2300
Dark CC 0From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
Purty Wood #677
Wall CC BY-SA 3.0You know you love wood patterns, so here’s one more.
Source Richard Tabor
snow crystal seamless pattern #2467
Blue CC 0The image depicts a seamless pattern of a snow crystal.I referred to a book called ”sekka-zusetsu” or "雪華図説" which means an illustrated explanation about snow crystals.This book was published in 1832 (天保３年) or Edo period.For more about "雪華図説",see here:dl.ndl.go.jp/info:ndljp/pid/2536975
Source Yamachem
Dark Geometric@2X #620
Dark CC BY-SA 3.0Continuing the geometric trend, here is one more.
Source Mike Warner
Prismatic Snowflakes Pattern 2 No Background #412
Light CC 0Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Background pattern 224 #2342
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Polonez Pattern #334
Gray CC BY-SA 3.0A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Brick #1375
Wall CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Background pattern 256 (colour) #2138
Red CC 0Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin