Because I love dark patterns, here is Brushed Alum in a dark coating.
Source Tim Ward
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Zero CC plastic pattern texture, photographed and made by me. CC0 *Note, this texture was on the perfectly smooth surface of a plastic shovel scraper, not sure how to call it. Plz coment if you know what its called.
Source Sojan Janso
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
This is the remix of an OCAL clipart called "Rain on Window" uploaded by "pagarmidna".Thanks.This is a seamless pattern of raindrops.
Source Yamachem
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
A background tile of dark textile. Made this a long time ago and just now decided to publish it.
Source V. Hartikainen
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
This is a remix of "geometrical pattern 01".
Source Yamachem
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Prismatic Geometric Pattern Background No Black
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin