"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
More Textures
Pyramid #895
Light CC BY-SA 3.0Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
regular hexagon pattern #2541
Grid CC 0The image depicts a pattern of regular hexagon.As I made to use it for myself,I want to others to use it.Speaking about the ratio of the image, height : width = 2 : √3(1.732...)Ridiculous to say,I realized later that this image is not honey comb pattern.I have to slide the second row.
Source Yamachem
Brilliant #753
Light CC BY-SA 3.0This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Prismatic Abstract Geometric Background 2 #268
Noise CC 0Prismatic Abstract Geometric Background 2
Source GDJ
Broken Noise@2X #365
Dark CC BY-SA 3.0Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Prismatic Groovy Concentric Background 5 No Black #467
Dark CC 0Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Criss-cross pattern #1895
Dark CC 0A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
"Dark Red Canvas", Seamless Web Texture@2X #1222
Red CC BY-SA 3.0A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Zig Zag #328
Dark CC BY-SA 3.0So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
"Wide Stripe Wallpaper", Seamless Pattern #1227
Yellow CC BY-SA 3.0A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
Smooth Wall #27
Light CC BY-SA 3.0Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Wave Grind@2X #1133
Light CC BY-SA 3.0Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
Background pattern 252 (colour) #2161
Colorful CC 0Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Knitted Netting #603
Grid CC BY-SA 3.0A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
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
Decorative divider 210 #2364
Dark CC 0Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
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 328 (colour 5) #1797
Blue CC 0To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Gun Metal #360
Dark CC BY-SA 3.0With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Background pattern 308 #1872
Yellow CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Seamless Paper Texture (Pale Yellow) #1217
Yellow CC BY-SA 3.0A seamless paper background texture colored in pale yellow. This seamless texture is ideal for those who need a yellow background image for their website. The texture resembles paper.
Source V. Hartikainen
Wood@2X #50
Wood CC BY-SA 3.0Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo