MAC Scene to Be Seen (Inner) is a warm plum with a frost finish that is limited edition and retails for $34.00. In comparison, bareMinerals The Indecent Proposal is a warm plum with a satin finish that is permanent in palette and retails for $22.00.
bareMinerals The Indecent Proposal is 85% similar — it is less shimmery, darker, more muted.