The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
Black & white version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Retro Circles Background 5 No Black
Source GDJ
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
A free seamless texture of reptile skin colored in a dark brown color. As always, you may use it as a repeated background image in your web design works, or for any other purposes.
Source V. Hartikainen
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
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
Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.
Source Haris Šumić
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
Prismatic Curved Diamond Pattern 5 No Background
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
Prismatic Abstract Line Art Pattern Background
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Geometric Pattern Background No Black
Source GDJ