You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
A seamless stone-like background for blogs or any other type of websites.
Source V. Hartikainen
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
A version without colours blended together to give a different look.
Source Firkin
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Abstract Background Design No Black
Source GDJ
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
This is a hot one. Small, sharp and unique.
Source GraphicsWall
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
A lot of people like the icon patterns, so here’s one for your restaurant blog.
Source Andrijana Jarnjak
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin