ColourPop C U Tonite is a warm plum with a metallic finish that is limited edition and retails for $4.50. In comparison, Chanel Lame Pourpre (35) is a warm copper with a metallic finish that is limited edition and retails for $36.00.
Chanel Lame Pourpre (35) is 95% similar — it is less shimmery, lighter.