The aim of the color management extension is to allow clients to know the color properties of outputs, and to tell the compositor about the color properties of...
KDE, Gnome, Gamescope and now Wlroots already have a working implementation of the protocol.
Not so fast, we still need a complete accessibility protocol on wayland, and wine/proton need to be running wayland natively.
Then we’ve really won.
(also we need to get enough users that anticheating linux stops)
Don’t forget about all these color management stuff being baked into gimp, Krista and Inkscape.