You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. A version of the original with random colors.
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
A free seamless texture of reptile skin colored in a dark brown color. As always, you may use it as a repeated background image in your web design works, or for any other purposes.
Source V. Hartikainen
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Subtle scratches on a light gray background.
Source Andrey Ovcharov
From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The image depicts a seamless pattern which includes hexagonally-aligned gourds with BG in light-brown.
Source Yamachem
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Zero CC tileable ground (#2) cracked, crackled texture, made by me. CC0
Source Sojan Janso
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
A pale olive green background with a seamless texture.
Source V. Hartikainen
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
Smooth Polaroid pattern with a light blue tint.
Source Daniel Beaton
Seamless Dark Grunge Texture. Here's a new grunge texture for use as a background.
Source V. Hartikainen