She wears a yellow dress, with a white shirt under it. Her hair is dressed in a ball.
Layton and Luke can obtain the puzzle Opal gives you only if they give her a cup of her favorite tea. This puzzle is "Sharing the Wealth".
One of the few remaining members of Folsense's aristocracy, Opal lives in the lap of luxury on the north side of town with her husband. She secretly dreams of having a simper life, which is why she sewed her favorite yellow dress herself.