A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
Sharp but soft triangles in light shades of gray.
Source Pixeden
Kaleidoscope Prismatic Abstract No Background
Source GDJ
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
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Abstract Geometric Background 5 No Black
Source GDJ
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin