A comeback for you: the popular Escheresque, now in black.
Source Patten
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
A repeating background of beige paper with vintage look. Repeats to infinity, as usual.
Source V. Hartikainen
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a drawing in 'Friend or Fortune? The story of a strange year', Robert Overton, 1897.
Source Firkin
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Colourful background achieved with gradient fills.
Source Firkin
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
New paper pattern with a slightly organic feel to it, using some thin threads.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
The image is a design of blue glass.How about using it as background image?
Source Yamachem