This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Remixed from a PNG that was uploaded to Pixabay by k_jprather
Source Firkin
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
Sharp but soft triangles in light shades of gray.
Source Pixeden
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
An aged paper background tile with smeared and pressed text.
Source V. Hartikainen