Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
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
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
Seamless Light Background Texture.
Source V. Hartikainen
A seamless pattern formed from a sports car on clker.com. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin
A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim