The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Vector version of a JPG that was uploaded to Pixabay by theasad121
Source Firkin
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Remixed from an image that was uploaded to Pixabay by KirstenStar
Source Firkin
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
A nice and simple white rotated tile pattern.
Source Another One
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
A seamless pattern made from the gold Penrose triangle by GDJ and the two remixes
Source Firkin
The tile can be had by selecting the rectangle in Inkscape and using shift+alt+i. Remixed from a drawing in 'Flowers of Song', Frederick Weatherly, 1895.
Source Firkin
A good starting point for a cardboard pattern. This would work well in a variety of colors.
Source Atle Mo
Alternative colour scheme for the original floral pattern.
Source Firkin
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
This one is amazing, truly original. Go use it!
Source Viahorizon
A seamless web background with texture of aged grid paper.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo