ColourPop Shamrock is a warm green with a semi-matte finish that is limited edition and retails for $4.50. In comparison, Too Faced Mint Chocolate (White Chocolate) is a cool green with a matte finish that is limited edition and retails for $16.00.
Too Faced Mint Chocolate (White Chocolate) is 80% similar — it is less shimmery, lighter, more muted.