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
Background pattern 222 #2345
Green CC 0Seamless pattern inspired by a drawing on Pixabay. To get the tile this is formed from, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Circular frame 25 #1712
Dark CC 0Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
Spiral background 2 #2245
Colorful CC 0Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Dark Matter@2X #602
Dark CC BY-SA 3.0The name is totally random, but hey, it sounds good.
Source Atle Mo
Inflicted@2X #118
Grid CC BY-SA 3.0Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Background pattern 215 (colour 3) #2369
Pink CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Background pattern 230 (colour 3) #2303
Green CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Mugs pattern #2479
Colorful CC 0A seamless pattern formed from miutopia mug remixes on a tablecloth.
Source Firkin
Prismatic Hexagonalist Pattern No Background@2X #804
Light CC 0Prismatic Hexagonalist Pattern No Background
Source GDJ
Connected #348
Light CC BY-SA 3.0White circles connecting on a light gray background.
Source Mark Collins
Sports car pattern #2442
Red CC 0A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Vintage tile background (colour 3) #2246
Green CC 0A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Page ornament 41 #2092
Dark CC 0Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
Skin Side Up@2X #848
Light CC BY-SA 3.0White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Spirals pattern #1994
Colorful CC 0Uses spirals from Pixabay. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Grid Paper Background (Blue Gray) #1162
Grid CC BY-SA 3.0A free grid paper background pattern for using on web sites.
Source V. Hartikainen
Nistri #773
Stripes CC BY-SA 3.0No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Decorative divider #1962
Dark CC 0From a drawing in 'A Life Interest', Mrs Alexander, 1888.
Source Firkin
Background Patterns - Cerulean #245
Fabric CC 0f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Decorative divider #1943
Dark CC 0Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Concrete Wall 2 #79
Wall CC BY-SA 3.0A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Thick Textured Brown Paper #1070
Paper CC BY-SA 3.0A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen