To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Derived from an image that was uploaded to Pixabay by pugmom40
Source Firkin
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Here's an yet another seamless note paper texture for use as a background on websites.
Source V. Hartikainen
Zero CC tileable hard cover cells, skin like, book texture. 4K, Scanned and made by me CC0
Source Sojan Janso
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen