You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
A bit strange this one, but nice at the same time.
Source Diogo Silva
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Derived from a drawing in 'Elfrica. An historical romance of the twelfth century', Charlotte Boger, 1885
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Here is a new seamless wood texture for using as blog or website backgrounds.
Source V. Hartikainen
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
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein