I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
Prismatic Floral Pattern 3 Variation 3 No Background
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
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Prismatic Groovy Concentric Background 4
Source GDJ
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Abstract Tiled Background Extended 6
Source GDJ
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Like the name suggests, this background image consists of a pattern of dark bricks. It may be an option for you, if you are looking for something that looks like a brick wall for use as a background on web pages. It's not a masterpiece, but looks pretty nice when is tiled.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
No idea what Nistri means, but it’s a crisp little pattern nonetheless.
Source Markus Reiter