If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
An attempt for cleaning up the original image in a few steps.
Source Lazur URH
A repeating graphic with ancient pattern. I came up with this name/title at last minute, so you may find that there is very little of ancientness in this pattern after all.
Source V. Hartikainen
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
A cute x, if you need that sort of thing.
Source Juan Scrocchi
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
A seamless pattern formed from miutopia's cakes on a tablecloth.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile