Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Prismatic Triangular Background Design Mark II 5
Source GDJ
The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Very simple, very blu(e). Subtle and nice.
Source Seb Jachec
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
Can’t believe we don’t have this in the collection already! Slick woven pattern with crisp details.
Source Max Rudberg
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
A background formed from an image of an old tile on the New York Metropolitan Museum of Art website. To get the base tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
I love the movie Pineapple Express, and I’m also liking this Pineapple right here.
Source Audee Mirza
Original minus the background
Source Firkin