Basic Pattern Repository
A nice little collection of very simple—and very lightweight—SVGs to use as background patterns.

Responses
Related links
Good, Better, Best: Untangling The Complex World Of Accessible Patterns — Smashing Magazine
I really like the approach that Carie takes here. Instead of pointing to specific patterns to use, she provides a framework for evaluating technology. Solutions come and go but this kind of critical thinking is a long-lasting skill.
Static sites, slack and scrollytelling. | Clearleft
Cassie’s enthusiasm for fun and interesting SVG animation shines through in her writing!
Creating my logo animation - cassie.codes
What a wonderfully in-depth and clear tutorial from Cassie on how she created the animation for her nifty SVG logo!
Also: Cassie is on the indie web now, writing on her own website—yay!
Zdog · Round, flat, designer-friendly pseudo-3D engine for canvas and SVG
Impressively lightweight and smooth!
Making single color SVG icons work in dark mode
Another good reason to use the currentColor
value in SVGs.
Related posts
Inlining SVG background images in CSS with custom properties
A clever technique I learned from Trys.
Sparklining
Pimping my home page at Indie Web Camp Nuremberg.
Even more writing on web.dev
Five more articles on modern responsive design to close out the course.
Declaration
HTML. JavaScript. Why not both?
The history of design systems at Clearleft
From pattern portfolios to Fractal.