The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
A repeating background with wood/straw like texture.
Source V. Hartikainen
Prismatic Groovy Concentric Background 4
Source GDJ
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
It looks very nice I think.
Source V. Hartikainen
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin