SOLVED: Jellyfin has washed out colors (Violet Evergarden)

[gnattu]

> but that should not be a problem because my iPhone Xr displays basically the same picture

If I understand you correct, as you said this:

> only the IINA over SMB (FYI: IINA is a macOS player based on mpv, https://github.com/iina/iina) gave me the correct colors

So your iPhone also displays the washed out one right? Because that is closer to the "correct" representation and IINA loads your incorrect ICC profile basically displays the wrong too dark color