MAC Peony Petal is a cool pink with a semi-matte finish that is limited edition and retails for $24.00. In comparison, Makeup Geek Hanky Panky is a cool pink with a matte finish that is discontinued and retails for $9.99.
Makeup Geek Hanky Panky is 85% similar — it is more shimmery, darker, more muted, warmer.