Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Inspired by the B&O Play, I had to make this pattern.
Source Atle Mo
Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran