Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
From a drawing in 'Real Sailor-Songs', John Ashton, 1891.
Source Firkin
A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
The tile this is formed from can be retrieved in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Prismatic Isometric Cube Wireframe Pattern No Background
Source GDJ
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Light and tiny, just the way you like it.
Source Rohit Arun Rao
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
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Everyone needs some stardust. Sprinkle it on your next project.
Source Atle Mo
Not a flat you live inside, like in the UK – but a flat piece of cardboard.
Source Appleshadow
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin