Black brick wall pattern. Brick your site up!
Source Alex Parker
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
Alternative colour scheme. 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
Prismatic Hexagonalism Pattern No Background
Source GDJ
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Classic vertical lines, in all its subtlety.
Source Cody L
Abstract Tiled Background Extended 10
Source GDJ
Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
Background pattern originally a PNG drawn in Paint.net
Source Firkin
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin