A seamless pattern formed from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
This background image has seamless texture that resembles a surface of gray stone.
Source V. Hartikainen
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Groovy Concentric Background 4
Source GDJ
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
This is the remix of "blue wave-seigaiha".This is the flowers of pink silk tree which is called "nemuno-ki".About pink silk tree ,refer to here:https://jp.pinterest.com/pin/500744052301210439/
Source Yamachem
There are many carbon patterns, but this one is tiny.
Source Designova
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Remixed from a drawing in 'Incidents on a Journey through Nubia to Darfoor', F. Ensor, 1891.
Source Firkin
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
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