Ariel's new dress went from Pink to Green Outfits inspired by Disney Princesses Ariel! , Im not going to lie, I was a little scared of Ariel. I knew I didnt own anything that matched her iconic purple top and green tail but then I Which dress color style do you all prefer for Ariel? Pink or aqua green? : r disneyprincess Undine or Ariel, Sea Nymph, Victorian stage costume. She wears a green dress over a pink petticoat, all decorated with sea shells, coral and seaweed, holds a wand with seastar. Handcoloured lithograph