Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More Japanese-inspired patterns, Gold Scales this time.
Source Josh Green
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
Prismatic Polka Dots Mark II No Background
Source GDJ
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
Dark, square, clean and tidy. What more can you ask for?
Source Jaromír Kavan
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Classic vertical lines, in all its subtlety.
Source Cody L
From a drawing in 'Studies for Stories', Jean Ingelow, 1864.
Source Firkin
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo