Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
One more in the line of patterns inspired by Japanese/Asian styles. Smooth.
Source Kim Ruddock
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
Colour version of the original pattern.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A version without colours blended together to give a different look.
Source Firkin
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin