The image is a design of blue glass.How about using it as background image?
Source Yamachem
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Thin lines, noise and texture creates this crisp dark denim pattern.
Source Marco Slooten
Classic vertical lines, in all its subtlety.
Source Cody L
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Psychedelic Geometric Background No Black
Source GDJ
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Never out of fashion and so much hotter than the 45º everyone knows, here is a sweet 60º line pattern.
Source Atle Mo
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
Remixed from a drawing that was uploaded to Pixabay by DavidZydd
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
To get the repeating unit, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Zero CC tileable hard cover red book, scanned and made by me. CC0
Source Sojan Janso
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
Number five from the same submitter, makes my job easy.
Source Dima Shiper
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward