From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Green Web Background, Seamless tile.
Source V. Hartikainen
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.
Source V. Hartikainen
A simple but elegant classic. Every collection needs one of these.
Source Christopher Burton
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin