You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Prismatic Groovy Concentric Background 3
Source GDJ
Here's a dark background pattern that contains a steel grid pattern as a texture. Use it as a website background or for other purposes. It's free!
Source V. Hartikainen
Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.
Source V. Hartikainen
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
An abstract Background pattern of purple twisty patterns.
Source TikiGiki
Prismatic Abstract Background Design
Source GDJ
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
It looks very nice I think.
Source V. Hartikainen
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.
Source Yamachem
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Simple combination of stripy squares with their negatively coloured counterparts
Source Firkin
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev