Make Up For Ever D850 Nitro Pink is a warm fuchsia with a sparkle finish that is discontinued and retails for $21.00. In comparison, ColourPop Tie a Knot is a warm fuchsia with a pearl finish that is limited edition and retails for $4.50.
ColourPop Tie a Knot is 85% similar — it is less shimmery, darker, cooler.