Background pattern 223 (colour 6) #2348
Yellow CC 0Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
More Textures
Floral design 87 #1886
Dark CC 0From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Wild Flowers #1181
Gray CC BY-SA 3.0Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
"Polished Stone", Gray Background Pattern #1053
Stone CC BY-SA 3.0A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
Color Stains on Canvas #1167
Fabric CC BY-SA 3.0A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
Heart and rose pattern #2419
Pink CC 0Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Abstract Line Art Pattern Background@2X #566
Dark CC 0Prismatic Abstract Line Art Pattern Background
Source GDJ
Brick Wall@2X #1147
Wall CC BY-SA 3.0One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Background pattern 323 (colour 4) #1809
Green CC 0Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Groovepaper #577
Paper CC BY-SA 3.0With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Tessellation 15 (colour 2) #2221
Yellow CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Wavy background #2015
Green CC 0A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Background pattern 18 #202
Dark CC 0A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Diagonal Waves@2X #1007
Gray CC BY-SA 3.0It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
Black Metallic Pattern #1090
Metal CC BY-SA 3.0A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen