A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
Did some testing with Repper Pro tonight, and this gray mid-tone pattern came out.
Source Atle Mo
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Sharp but soft triangles in light shades of gray.
Source Pixeden
Run a restaurant blog? Here you go. Done.
Source Andrijana Jarnjak
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
This background pattern contains a texture of yellow wood planks. I think it looks quite original.
Source V. Hartikainen
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
A seamless background tile of aged paper with shabby look.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Groovy Concentric Background 4
Source GDJ
Your eyes can trip a bit from looking at this – use it wisely.
Source Michal Chovanec
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo