Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
This background image is great for using in web design or graphic design projects. And don't forget to visit the homepage. I frequently update this resource with fresh tileable backgrounds.
Source V. Hartikainen
Here's a new gray "fabric" pattern. Use it as backgrounds for websites or for other purposes.
Source V. Hartikainen
A pale olive green background with a seamless texture.
Source V. Hartikainen
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Colorful Floral Background 3 No Black
Source GDJ
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen