Background pattern brown #1951
Brown CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
More Textures
Scribble Light@2X #740
Paper CC BY-SA 3.0A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
Egg Shell #861
Light CC BY-SA 3.0It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Fake Luxury #621
Diamond CC BY-SA 3.0Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Floral design 70 #2520
Dark CC 0Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
Shattered@2X #952
Gray CC BY-SA 3.0A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
Background pattern 227 (colour 6) #2309
Red 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
Floral pattern 14 #1754
Yellow CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Floral pattern 7 (colour 2) #2290
Blue CC 0Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Diagonales Decalées@2X #1019
Light CC BY-SA 3.0Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Background pattern 214 #2377
Blue CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Chipboard 2 #2579
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Connected@2X #349
Light CC BY-SA 3.0White circles connecting on a light gray background.
Source Mark Collins
Wood Stripe Pattern #999
Stripes CC BY-SA 3.0A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
Spiral background 2 (colour 2) #2244
Colorful CC 0Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Farmer #659
Fabric CC BY-SA 3.0Farmer could be some sort of fabric pattern, with a hint of green.
Source Fabian Schultz
Rainbow flag pattern #1873
Colorful CC 0The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Vintage pattern #1957
Grid CC 0Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
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
White Paperboard@2X #375
Fabric CC BY-SA 3.0Could be paper, could be a Polaroid frame – up to you!
Source Chaos
MBossed #193
Grid CC BY-SA 3.0Embossed lines and squares with subtle highlights.
Source Alex Parker