A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
Classic 45-degree pattern, light version.
Source Luke McDonald
An alternative colour scheme to the original seamless pattern.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Fix and cc0 to get the tile this is based on.
Source SliverKnight
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin