Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
A seamlessly tile-able grunge background image.
Source V. Hartikainen
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin