Minecraft wiki entry for Night_Vision, associated text: Despite mobs being unaffected due to Night Vision's purely visual effects, boss mobs and Giants are both immune to this potion.
If used in the Nether, the fog becomes brighter and more vibrant than it normally is.
If used in the End, everything appears tinted pink. Endermen and the end portal appear white when far enough away.
If combined with blindness or used in the Void,‌[JE only] the screen becomes entirely black.[1]
If submerged in lava, the screen appears bright orange.
If in water in a swamp biome, the view is foggy and obscured.