A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Sharp pixel pattern, just like the good old days.
Source Paridhi
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Floral patterns might not be the hottest thing right now, but you never know when you need it!
Source Lauren
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Here's a tile-able wood background image for use in web design.
Source V. Hartikainen
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Vertical lines with a bumpy, yet crisp, feel to it.
Source Raasa
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin