Natasha Denona Chromatic (04M) is a cool silver with a metallic finish that is permanent in palette and retails for $29.00. In comparison, Dior Trompe L'Oeil (011) is a cool silver with a frost finish that is limited edition and retails for $31.00.
Dior Trompe L'Oeil (011) is 90% similar — it is less shimmery, darker.