Dark Wall@2X #818
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
More Textures
"Black Stripes", Background Pattern #966
Stripes CC BY-SA 3.0A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Tessellation 11 (variant 2) #2539
Grid CC 0The original enhanced with some gradients.
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
Prismatic Curved Diamond Pattern 8 No Background@2X #550
Dark CC 0Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Diamond Eyes #685
Diamond CC BY-SA 3.0Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Background pattern 214 (colour 2) #2376
Red CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Leafy pattern 12 (colour 2) #1761
Red CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Straws #972
Light CC BY-SA 3.0Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Background pattern 223 (colour 3) #2351
Green CC 0Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Floral design 88 #1876
Dark CC 0From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
PS Neutral #1134
Light CC BY-SA 3.0This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
Decorative divider 279 #1889
Dark CC 0Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Stitched Wool #843
Light CC BY-SA 3.0I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
Background pattern 328 (colour 4) #1798
Green CC 0To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
White Wall #771
Wall CC BY-SA 3.0A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Cubes #133
Light CC BY-SA 3.0This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Paper #657
Paper CC BY-SA 3.0Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Escheresque #777
Light CC BY-SA 3.0Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
Black Mamba@2X #58
Dark CC BY-SA 3.0The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Video Game Website Background #1327
Green CC BY-SA 3.0This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen