Batthern #324
Grid CC BY-SA 3.0Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
More Textures
Navy@2X #985
Dark CC BY-SA 3.0It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Dark Brown Fabric-Like Texture #963
Stripes CC BY-SA 3.0A seamless striped fabric-like texture colored in a dark reddish brown color.
Source V. Hartikainen
Mix Stone #1298
Stone CC 0ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
Carpet seamless texture 3 #2553
Wall CC 0From an image on opengameart.org shared by rubberduck.
Source Firkin
"Rusted Metal", Grunge Background #1087
Metal CC BY-SA 3.0A rusty grunge background for websites. Feel free to use it in your site's theme.
Source V. Hartikainen
Gnarly bark #2582
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
P5@2X #1114
Light CC BY-SA 3.0Number five from the same submitter, makes my job easy.
Source Dima Shiper
Background pattern blue #1949
Blue CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Dark Brown Leather Texture, Seamless Tile #1092
Leather CC BY-SA 3.0The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
Background pattern 309 #1866
Yellow CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Candyhole #356
Light CC BY-SA 3.0It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Prismatic Rounded Squares Grid 4 No Background@2X #492
Noise CC 0Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Tessellation 15 (colour 3) #2220
Red CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Dark Tile-able Grunge Texture #1123
Grunge CC BY-SA 3.0Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Old Moon@2X #1202
Gray CC BY-SA 3.0Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
Ice Age #637
Paper CC BY-SA 3.0I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
Large Leather@2X #650
Paper CC BY-SA 3.0More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Leafy pattern 12 #1764
Dark CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin