Coloured Raine Sweet Ruby is a cool fuchsia with a sparkle finish that is limited edition and retails for $6.99. In comparison, ColourPop Solstice with the Mostest is a cool fuchsia with a sparkle finish that is permanent and retails for $4.50.
ColourPop Solstice with the Mostest is 85% similar — it is less shimmery, lighter, cooler.