A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
Might not be super subtle, but quite original in its form.
Source Alex Smith
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
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
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Old China with a modern twist, take two.
Source Adam Charlts
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
A browner version of the original weathered fence texture.
Source Firkin
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
A simple bump filter made upon request at irc #inkscape at freenode. Made a screen capture of the making here: https://youtu.be/TGAWYKVLxQw
Source Lazur URH
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry