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
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Same classic 45-degree pattern, dark version.
Source Luke McDonald
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
Just a nice looking textured pattern with faded blue stripes. Well, that's it for today... one background a day, as usual.
Source V. Hartikainen
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Seamless Prismatic Geometric Pattern With Background
Source GDJ
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen