Nami #575
Dark CC BY-SA 3.0Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
More Textures
Double Lined #51
Stripes CC BY-SA 3.0Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
"Brown Stone Wall" #1026
Stone CC BY-SA 3.0A free seamless background texture that looks like a brown stone wall.
Source V. Hartikainen
Subtle Surface@2X #926
Light CC BY-SA 3.0Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Rough Diagonal #691
Fabric CC BY-SA 3.0The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Background pattern 227 (colour 2) #2313
Blue CC 0A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Aged Grid Paper Background #1072
Paper CC BY-SA 3.0A seamless web background with texture of aged grid paper.
Source V. Hartikainen
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
Grid Me@2X #606
Grid CC BY-SA 3.0Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Wild Oliva #988
Dark CC BY-SA 3.0Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Subtle Orange Emboss #97
Light CC BY-SA 3.0A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Grunge Wall #81
Wall CC BY-SA 3.0Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Iron Grip@2X #588
Dark CC BY-SA 3.0Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Decorative divider 244 #2080
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Carbon Fiber #3
Carbon CC BY-SA 3.0A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Rocky Wall #41
Wall CC BY-SA 3.0High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Diamond pattern 2 (colour 4) #2265
Red CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Leafy pattern 12 #1764
Dark CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Bamboo Background Pattern #1330
Green CC BY-SA 3.0This background pattern looks like bamboo to me. Feel free to download it for your website (for your blog perhaps?).
Source V. Hartikainen
Black Thread@2X #600
Dark CC BY-SA 3.0Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Prismatic Abstract Background Design No Black@2X #790
Noise CC 0Prismatic Abstract Background Design No Black
Source GDJ
Diamond Eyes #685
Diamond CC BY-SA 3.0Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell