MAC Overnight Sensation is a cool purple with a pearl finish that is limited edition and retails for $22.00. In comparison, Natasha Denona Amethyst (141M) is a cool purple with a sparkle finish that is discontinued and retails for $29.00.
Natasha Denona Amethyst (141M) is 85% similar — it is more shimmery, darker, more muted.
