This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
This could be a hippy vintage wallpaper.
Source Tileable Patterns
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Prismatic Groovy Concentric Background 3
Source GDJ
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Looks like an old rug or a computer chip.
Source Patutin Sergey
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen