If we cannot disable this for our client I'm really worried about the impact on colourblind people. Based on the second screenshot I'm worried I wouldn't even be able to tell that Loki is invisible, or that there is anything "non standard" about it at all (just looks like a Loki someone shone a spotlight on to me).
If an allied Octavia can choose this effect for players affected by its abilities I'd be very concerned I wouldn't be able to tell whether the buff was active on my frame at all without checking the buff list.