NOTE : Level 1 : Totally see-through that needs an inner to cover the neck. Level 2 :See-through that might need an inner to cover the neck depending on the colour. Level 3 :Semi see through that needs double layer to cover the neck. Level 4 :Almost opaque and does not need double layer to cover the neck. Level 5 :Totally opaque.
DISCLAIMER :Bear in mind that all the photos are captured in a photography studio with bright lights from all angle. The colours are made to the most similar possible and might vary from each computer settings.