As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
Prismatic Abstract Background Design No Black
Source GDJ
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
There are many carbon patterns, but this one is tiny.
Source Designova
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
Remixed from a raster on Pixabay that was uploaded by ArtsyBee.
Source Firkin
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
This was submitted in a beige color, hence the name. Now it’s a gray paper pattern.
Source Konstantin Ivanov
Element of beach pattern with background.
Source Rones
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
A seamless texture of an abstract wall colored in shades of light orange brown.
Source V. Hartikainen
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
Prismatic Abstract Geometric Background 4
Source GDJ