The image is a design of blue glass.How about using it as background image?
Source Yamachem
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
The image depicts a seamless pattern made using a bird's face.
Source Yamachem
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Prismatic Geometric Pattern Background
Source GDJ
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
A nice and simple white rotated tile pattern.
Source Another One
This is the remix of "blue wave-seigaiha".This is the flowers of pink silk tree which is called "nemuno-ki".About pink silk tree ,refer to here:https://jp.pinterest.com/pin/500744052301210439/
Source Yamachem
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
A version without colours blended together to give a different look.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Light gray version of the Binding pattern that looks a bit like fabric.
Source Newbury
Prismatic Groovy Concentric Background No Black
Source GDJ
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha