ColourPop Nox is a warm taupe with a glitter finish that is limited edition and retails for $6.00. In comparison, Anastasia E2 (Norvina Vol. 2) is a warm taupe with a frost finish that is limited edition and retails for $12.00.
Anastasia E2 (Norvina Vol. 2) is 80% similar — it is less shimmery, warmer.