Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
A nice and simple white rotated tile pattern.
Source Another One
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Colourful background achieved with gradient fills.
Source Firkin
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
A seamless background of warped stripes on paper.
Source V. Hartikainen
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo