Not so subtle. These tileable wood patterns are very useful.
Source Elemis
The image depicts polka dot seamless pattern.
Source Yamachem
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
A seamlessly tile-able grunge background image.
Source V. Hartikainen
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
One week and it's Easter already. Thought I would revisit the decorated egg contest at inkscape community: http://forum.inkscapecommunity.com/index.php?topic=118.0
Source Lazur URH
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Prismatic Chevrons Pattern 5 With Background
Source GDJ
Here's an yet another background for websites, with a seamless texture of wood planks this time.
Source V. Hartikainen
Prismatic Chevrons Pattern 5 With Background
Source GDJ
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
This yellow background consists of a pattern of glossy gold buttons arranged in polka dot style on a seamless texture. Here's a pale yellow background pattern. Feel free to use it for your needs!
Source V. Hartikainen
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Navigations de Alouys de Cademoste.-La Navigation du Capitaine Pierre Sintre', Alvise da ca da Mosto, 1895.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
Otis Ray Redding was an American soul singer-songwriter, record producer, arranger, and talent scout. So you know.
Source Thomas Myrman
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin