Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Prismatic Curved Diamond Pattern 6 No Background
Source GDJ
Fix and cc0 to get the tile this is based on.
Source SliverKnight
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Nasty or not, it’s a nice pattern that tiles. Like they all do.
Source Badhon Ebrahim
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Prismatic Polka Dots 3 No Background
Source GDJ
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
A pattern drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Prismatic Geometric Pattern Background 2
Source GDJ
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
A textured blue background pattern with vertical stripes.
Source V. Hartikainen