Wow, my first post that's frontpaged and it's the one I put the least effort into. I've at least fixed the noise colour bleed now.
This technique does not do any file compression as it's a transformation applied to the image in the browser (though screenshots of the output would be smaller than the source)
This technique does not do any file compression as it's a transformation applied to the image in the browser (though screenshots of the output would be smaller than the source)
For a post on CSS-based noise dithering that I actually polished, there's also https://ikesau.co/blog/making-a-grainy-spotlight-effect-with...