An abstract Background pattern of purple twisty patterns.
Source TikiGiki
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Abstract Geometric Background 3
Source GDJ
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Prismatic Basic Pattern 2 No Background
Source GDJ
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Looks like an old rug or a computer chip.
Source Patutin Sergey
I have no idea what J Boo means by this name, but hey – it’s hot.
Source j Boo
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Different from the original in being a simple tile stored as a pattern definition, rather than numerous repeated objects. Hence easy and quick to give this pattern to objects of different shapes. To get the tile in Inkscape, select the rectangle and use shift+alt+i.
Source Firkin
Remixed from a drawing in 'Works. Popular edition', John Ruskin, 1886.
Source Firkin
A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Prismatic Snowflakes Pattern No Background
Source GDJ
From a drawing in 'Resa i Afrika, genom Angola, Ovampo och Damaraland', P. Moller, 1899.
Source Firkin