A version without colours blended together to give a different look.
Source Firkin
Abstract Tiled Background Extended 6
Source GDJ
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
A lovely light gray pattern with stripes and a dash of noise.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin