ColourPop Wittle is a warm plum with a sparkle finish that is permanent and retails for $6.00. In comparison, Chanel Pourpre Brun (58) is a warm plum with a semi-matte finish that is limited edition and retails for $30.00.
Chanel Pourpre Brun (58) is 80% similar — it is less shimmery, darker, more muted.