Lossless <Image>s?

[past flicker]

Is there a way to get lossless webp compression with the <Image> tag? I've tried quality="max" and quality="100" (which, oddly, lead to different filesizes) but the image still looks noticeably fuzzier than the original in both cases.

Linking https://redcatho.de and https://github.com/redcathode/redsite if anyone wants to check my code

[past flicker]

with <Picture>/avif it seems indistinguishable from the original, but it doesn't seem to play well with animations