Embossed lines and squares with subtle highlights.
Source Alex Parker
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
A bit of scratched up grayness. Always good.
Source Dmitry
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A floral background formed from numerous clones of flower 117.
Source Firkin
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein