Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Dark blue concrete wall with some small dust spots.
Source Atle Mo
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
This background texture resembles stone. It may be used as a background on web pages or on some of their html elements (header, borders, menu bar, etc.). Just modify it for your needs.
Source V. Hartikainen
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran