Prismatic Polka Dots Mark II No Background
Source GDJ
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
Gold Triangular Seamless Pattern No Background
Source GDJ
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
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 car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Prismatic Basic Pattern 2 No Background
Source GDJ
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin