Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
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
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Some more diagonal lines and noise, because you know you want it.
Source Atle Mo
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
From a drawing in 'Jardyne's Wife', Charles Wills, 1891.
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
A bit strange this one, but nice at the same time.
Source Diogo Silva