Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Subtle scratches on a light gray background.
Source Andrey Ovcharov
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Tiny circle waves, almost like the ocean.
Source Sagive
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
Formed by distorting the inside front cover of 'Diversæ insectarum volatilium : icones ad vivum accuratissmè depictæ per celeberrimum pictorem', Jacob Hoefnagel, 1630.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Plywood Web Background background image for use in web design.
Source V. Hartikainen
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin