Natasha Denona Vintage (49M) (2019) is a warm taupe with a metallic finish that is permanent in palette and retails for $29.00. In comparison, Terra Moons Palladium is a warm taupe with a metallic finish that is permanent and retails for $6.25.
Terra Moons Palladium is 85% similar — it is more shimmery, lighter, warmer.