Natasha Denona Calypso Blue (05M) is a warm duochrome with a sparkle finish that is permanent in palette and retails for $29.00. In comparison, MAC Sun, Tan and Repeat is a warm duochrome with a frost finish that is limited edition and retails for $17.00.
MAC Sun, Tan and Repeat is 85% similar — it is less shimmery, lighter, warmer.