Too Faced Melted Rainbow is a cool fuchsia with a glossy finish that is limited edition and retails for $21.00. In comparison, Sephora + Pantone Universe Radiant Rush is a cool fuchsia with a satin finish that is limited edition and retails for $18.00.
Sephora + Pantone Universe Radiant Rush is 85% similar — it is less pigmented, warmer, less glossy.