The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Hexagonalism Pattern No Background
Source GDJ
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Produced using the clouds, flames and glass blocks plug-ins in Paint.net and the resulting .PNG vectorised with Vector Magic.
Source Firkin
Black paper texture, based on two different images.
Source Atle Mo
Based from Design Kindle
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
CC0 and seamless wellington boot pattern.
Source SliverKnight
Remixed from a drawing in 'Line and form", Walter Crane, 1914.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
A gray background pattern with a texture of textile. Suits perfectly for web design.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Black brick wall pattern. Brick your site up!
Source Alex Parker
Tiny circle waves, almost like the ocean.
Source Sagive
Prismatic Hypnotic Pattern 2 No Background
Source GDJ