Tatcha Magnolia Bloom is a warm plum with a cream finish that is limited edition and retails for $55.00. In comparison, Chanel Or Cuivre (117) is a warm plum with a luminous finish that is limited edition and retails for $45.00.
Chanel Or Cuivre (117) is 90% similar — it is more shimmery, less pigmented, glossier.