Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
This seamless pattern consists of a blue grid on a yellow background.
Source V. Hartikainen
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
Might not be super subtle, but quite original in its form.
Source Alex Smith
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A repeating background with seamless texture of stone. There haven't been any stone-like backgrounds for a while, so I have decided to create one more. The rest can be found in the appropriate category.
Source V. Hartikainen
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Redrawn based on a drawing in 'По Сѣверо-Западу Россіи' Konstantin Sluchevsky, 1897.
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
A comeback for you: the popular Escheresque, now in black.
Source Patten
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim