The landing area, from the round-down to the end of the angle deck is lit with off white perimeter lights. Additionally, there is center line lighting, also white. There is a sting of lights from the round-down down the stern of the ship to that align with the centerline. Lastly, the fresnel lens to the left of the landing area has a row of green datum lights with an orange-ish light in the center. See wikipedia page for diagrams.