In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Seamless texture made from a raster image on Pixabay
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Abstract Stars Geometric Pattern Prismatic No Background
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Incoming catena. Stone & well. CC0 texture.
I’m not going to use the word Retina for all the new patterns, but it just felt right for this one. Huge wood pattern for ya’ll.
Source Atle Mo
This one is so simple, yet so good. And you know it. Has to be in the collection.
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Abstract Tiled Background Extended 11
Random Binary Background
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Seamless Prismatic Geometric Pattern With Background
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Metal-Plain or Painted. CC0 License.
Prepared mostly as a raster in Paint.net and vectorised.
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
The A – Z of Subtle? Up to you.
Seamless Core Pattern
Small crosses with round edges. Quite cute.
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i