Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
A nice and simple white rotated tile pattern.
Source Another One
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Sometimes you just need the simplest thing.
Source Fabricio
A seamless pattern formed from a tile made from page ornament 22. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter
Abstract Tiled Background Extended 6
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Original seamless pattern with an Inkscape filter.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
A playful triangle pattern with different shades of gray.
Source Dimitrie Hoekstra
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
A seamless texture of a rough concrete surface.
Source V. Hartikainen
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Prismatic Polka Dots 3 No Background
Source GDJ
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua