Too Faced Blueberry Swirl is a cool blue with a frost finish that is permanent in palette and retails for $16.00. In comparison, Sephora Mermaid Tail (112) is a cool blue with a metallic finish that is limited edition and retails for $13.00.
Sephora Mermaid Tail (112) is 85% similar — it is more shimmery, brighter.