Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Fake or not, it’s quite luxurious.
Source Factorio.us Collective
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
From a drawing in 'Two Women in the Klondike', Mary Hitchcock, 1899.
Source Firkin
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Paper model of a tetrahedron. Modelo de papel de um tetraedro.
Source laobc
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Colorful Floral Background 3 No Black
Source GDJ