That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
A free background tile with a pattern of pink bump dots. This background tile is sweet! Moreover, it's designed for use as website backgrounds.
Source V. Hartikainen
Might not be super subtle, but quite original in its form.
Source Alex Smith
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
It has waves, so make sure you don’t get sea sickness.
Source CoolPatterns
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel