The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from a square tile based on a jpg on Pixabay. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I.
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background 2 No Black
Source GDJ
Prismatic Abstract Geometric Background 5
Source GDJ
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
No relation to the band, but damn it’s subtle!
Source Thomas Myrman
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Remixed from a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
A background pattern with a look of rough fabric.
Source V. Hartikainen