The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
It looks very nice I think.
Source V. Hartikainen
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
An alternative colour scheme to the original seamless pattern.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
The classic notebook paper with horizontal stripes.
Source Are Sundnes
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Groovy Concentric Background 2
Source GDJ
Prismatic Curved Diamond Pattern 7 No Background
Source GDJ
Green Web Background, Seamless tile.
Source V. Hartikainen
Inspired by a JPG that was uploaded to Pixabay by kokon_art
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
A seamless pattern formed from background pattern 102
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin