Becca Topaz Flashes Gilt is a warm gold with a frost finish that is limited edition and retails for $34.00. In comparison, Natasha Denona Tan #4 is a warm gold with a metallic finish that is permanent in palette and retails for $42.00.
Natasha Denona Tan #4 is 90% similar — it is more shimmery, lighter, cooler.