Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
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
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Colorful Floral Background 3 No Black
Source GDJ
Prismatic Abstract Background Design
Source GDJ
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
This one looks like a cork panel. Feel free to use it as a tiled background on your blog or website.
Source V. Hartikainen
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Curved Diamond Pattern 5 No Background
Source GDJ
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen