A free background pattern with abstract green tiles.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Just the symbols of the signs of the zodiac distributed in a chequer board-like pattern
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
This is the remix of an Openclipart clipart called "Maze" uploaded by "any_ono_mous".Thanks.This is a seamless pattern of a maze.
Source Yamachem
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
Just like the black maze, only in light gray. Duh.
Source Peax