Natasha Denona Electric Violet (28V) is a cool purple with a satin finish that is permanent in palette and retails for $29.00. In comparison, Lethal Cosmetics Nightcall is a cool purple with a matte finish that is permanent and retails for $6.00.
Lethal Cosmetics Nightcall is 80% similar — it is less shimmery, darker, warmer.