Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
A free seamless background image with a texture of dark red "canvas". It should look very nice on web sites.
Source V. Hartikainen
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Might not be super subtle, but quite original in its form.
Source Alex Smith
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
It looks like a polished stone surface to me. Download it for free, as always.
Source V. Hartikainen
Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel