To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
The image depicts an edo-era pattern called "same-komon" or "鮫小紋"which looks like a shark skin.The "same" in Japanese means shark in English.
Source Yamachem
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
There are many carbon patterns, but this one is tiny.
Source Designova
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim