From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Colour version of the original pattern.
Source Firkin
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
This is the remix of "Background pattern 115" uploaded by "Firkin".Thanks.
Source Yamachem
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
A seamless pattern the starting point for which was a 'light rays' rendering in Paint.net.
Source Firkin
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Seamless Prismatic Geometric Pattern With Background
Source GDJ
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Retro Circles Background 7 No Black
Source GDJ
The image depicts the Japanese Edo pattern called "seigaiha" or "青海波" meaning "blue -sea- wave".I hope it's suitable for the summer season.
Source Yamachem
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin