Clionadh Midnight Sun is a warm plum with a metallic finish that is permanent and retails for $6.00. In comparison, Sydney Grace Sumptuous Serendipity is a warm plum with a metallic finish that is permanent in palette and retails for $6.25.
Sydney Grace Sumptuous Serendipity is 80% similar — it is less shimmery, darker, cooler.
