The image depicts the Japanese Edo pattern called "seigaiha" or "青海波" meaning "blue -sea- wave".I hope it's suitable for the summer season.
Source Yamachem
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
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
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Colourful background achieved with gradient fills.
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
This beige background pattern resembles a concrete wall with engravings or something similar to it.
Source V. Hartikainen
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert