A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Abstract Tiled Background Extended 8
Source GDJ
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
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Colour version of the original pattern.
Source Firkin
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain
That’s what it is, a dark dot. Or sort of carbon looking.
Source Tsvetelin Nikolov
Super dark, crisp and detailed. And a Kill Bill reference.
Source Badhon Ebrahim
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
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
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
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Might not be super subtle, but quite original in its form.
Source Alex Smith
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo