Marc Jacobs Beauty Moment-o (590) is a cool taupe with a matte finish that is limited edition and retails for $29.00. In comparison, ColourPop Serendipity is a cool taupe with a semi-matte finish that is limited edition and retails for $4.50.
ColourPop Serendipity is 80% similar — it is more shimmery, lighter, cooler.