The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Alternative colour scheme to the original.
Source Firkin
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Prismatic Basic Pattern 2 No Background
Source GDJ
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
A repeating background of beige paper with vintage look. Repeats to infinity, as usual.
Source V. Hartikainen
Prismatic Abstract Line Art Pattern Background
Source GDJ
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Remixed from an image that was uploaded to Pixabay by CatherineClennan
Source Firkin