Makeup Geek Blacklight is a warm lavender with a metallic finish that is discontinued and retails for $6.00. In comparison, MAC Sunphoria (Feminine Wiles) is a warm lavender with a metallic finish that is limited edition and retails for $20.00.
MAC Sunphoria (Feminine Wiles) is 90% similar — it is less shimmery, lighter, cooler.