One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Scanned some rice paper and tiled it up for you. Enjoy.
Source Atle Mo
If you want png files of thisu can download them here :
Source Viscious-Speed
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin
This one needs to be used in small areas; you can see it repeat.
Source Luca
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Retro Circles Background 7 No Black
Source GDJ
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo