A very dark spotted twinkle pattern for your twinkle needs.
Source Badhon Ebrahim
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
A repeating background with wood/straw like texture.
Source V. Hartikainen
The image is a seamless pattern of a fishnet.
Source Yamachem
Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Remixed from a drawing in 'The March of Loyalty', Letitia MacClintock, 1884.
Source Firkin
Green Background Pattern
Source V. Hartikainen
Fix and cc0 to get the tile this is based on.
Source SliverKnight
This is sort of fresh, but still feels a bit old school.
Source Martuchox
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Prismatic Hypnotic Pattern No Background
Source GDJ
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
A version without colours blended together to give a different look.
Source Firkin