ColourPop No Rest for the Vivid is a warm fuchsia with a sparkle finish that is limited edition and retails for $9.00. In comparison, Make Up For Ever D850 Nitro Pink is a warm fuchsia with a sparkle finish that is discontinued and retails for $21.00.
Make Up For Ever D850 Nitro Pink is 85% similar — it is less shimmery, darker, warmer.