If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Prismatic Triangular Background Design Mark II 5
Source GDJ
This one is amazing, truly original. Go use it!
Source Viahorizon
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Element of beach pattern with background.
Source Rones
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin