Giorgio Armani Cold Copper (09) is a warm brown with a metallic finish that is discontinued and retails for $39.00. In comparison, Make Up For Ever I538 Pearly Gray Beige is a warm brown with a frost finish that is discontinued and retails for $21.00.
Make Up For Ever I538 Pearly Gray Beige is 90% similar — it is less shimmery, warmer.