Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
Psychedelic Geometric Background No Black
Source GDJ
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Inspired by an image that was uploaded to Pixabay by geralt
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton