Currently Haruna is not a color-managed video player. It would be nice to have some sort of color management feature within the player. ICC profiles are one way to go, which is supported by most display devices and OSs. libmpv already provides relevant API via `MPV_RENDER_PARAM_ICC_PROFILE`, so it should be relatively straightforward to implement. For fetching ICC profiles, one can either query colord for the system-wide color profile, or ask the user to manually specify the path to the profile.