Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Feel free to download and use it, or see the rest of the dark background patterns that I have made. Anyway, I hope you will find something that you like.
Source V. Hartikainen
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
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
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
One more sharp little tile for you. Subtle circles this time.
Source Blunia
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A classic dark tile for a bit of vintage darkness.
Source Listvetra
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas