Brushed Alum Dark #65
Dark CC BY-SA 3.0Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
More Textures
Cardboard@2X #279
Paper CC BY-SA 3.0A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
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
Cardboard Flat #961
Gray CC BY-SA 3.0Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Fabric pattern 2 (colour 5) #2392
Fabric CC 0Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Layered wood #2566
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Abstract Geometric Background 5 #401
Noise CC 0Prismatic Abstract Geometric Background 5
Source GDJ
Subtle Website Background #1022
Stone CC BY-SA 3.0Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Pyramid@2X #896
Light CC BY-SA 3.0Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Background pattern 201 (colour 3) #2493
Grid CC 0A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
meshed silhouette-omnibus #2484
Brown CC 0The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
Fire diamond #2488
Diamond CC 0U.S.-based National Fire Protection Association standard fire diamond for flagging risks posed by hazardous materials. The red diamond has a number 0-4 depending on flammability. The blue diamond has a number 0-4 depending on health hazard. The yellow has a number 0-4 depending on reactivity. the white square has a special notice, e.g OX for oxidizer.
Source Firkin
Rubber Grip@2X #102
Dark CC BY-SA 3.0A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Blizzard@2X #664
Paper CC BY-SA 3.0This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
White Texture #131
Light CC BY-SA 3.0Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Faded Diagonal Stripes #1001
Stripes CC BY-SA 3.0Seamless SVG vector and JPG backgrounds with faded diagonal stripes. The colors are editable.
Source V. Hartikainen
Geometric pattern 7 #1929
Dark CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Mooning@2X #1141
Gray CC BY-SA 3.0The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Dark Fish Skin@2X #1049
Dark CC BY-SA 3.0It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Dark Brick Pattern #1032
Stone CC BY-SA 3.0A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
Light Paper Fibers@2X #836
Paper CC BY-SA 3.0More in the paper realm, this time with fibers.
Source Jorge Fuentes
Prismatic Floral Background No Black #475
Light CC 0Prismatic Floral Background No Black
Source GDJ
Background pattern 225 (colour 6) #2322
Brown CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Floral divider 5 #1749
Dark CC 0From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin