With the new lighting system coming into play, I would be more excited if the Night Vision had an option for 'Dim Light' since according to the PHB and DMG for 5e, characters with Darkvision see through darkness as if it were dim light meaning everything is black and white or difficult to make out. The old lighting feature had a way to make this possible with 60 ft. Light Radius' and a -5 'Start of Dim' which in my opinion adds a lot to the atmosphere. The new feature kind of has a way to do this with changing the 'Tint' colour of the Night Vision. But if you were to change every token with Darkvison to gray, the map becomes heavily obscured due to colour overlapping in the circles. I would really appreciate this as a feature some point in the future.