Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Classic vertical lines, in all its subtlety.
Source Cody L
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Derived from an image that was uploaded to Pixabay by starchim01
Source Firkin
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
From a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 5
Source GDJ
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Might not be super subtle, but quite original in its form.
Source Alex Smith
Old China with a modern twist, take two.
Source Adam Charlts
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury