[fold_left]

I had a go at doing this in Rust some time ago https://github.com/JamieMason/blurhash-to-css and there is also https://plaiceholder.co/.

[warpech]

Nice!

A CSS Houdini worklet would be another way to represent this in CSS.

https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Houdini

https://houdini.how/

[michaelmior]

Interesting idea using Houdini, although I think browser support isn't really good enough yet to justify this.