Re: [csswg-drafts] [filter-effects] hue-rotate() should perform a true hue rotation (#8754)

@FeldrinH, the luminance preserving being "wrong" is due to browsers applying the filterin the current working color space (sRGB) when it is designed for linear light. Live [demo](https://www.dropbox.com/scl/fi/u2xuok7ezox6lk28a7qva/Screenshot-2026-06-01-at-9.59.04-AM.png?rlkey=8u7xd46tup88dfir68c2416r2&dl=0).

<img width="1209" height="371" alt="Image" src="https://github.com/user-attachments/assets/34f35ec0-b1d8-4d7d-a688-1c2957b21c68" />






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Received on Monday, 1 June 2026 16:00:19 UTC