The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Fix side and a seamless pattern formed from circles.
Source SliverKnight
With a name like this, it has to be hot. Diagonal lines in light shades.
Source Isaac
Geometric triangles seem to be quite hot these days.
Source Pixeden
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
Geometric triangles seem to be quite hot these days.
Source Pixeden
A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
White little knobs, coming in at 10x10px. Sweet!
Source Amos
A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
Background formed from the original with an emboss effect.
Source Firkin
Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor