LORAC Tails & Top Hats #3 is a warm taupe with a frost finish that is limited edition and retails for $19.00. In comparison, Clionadh BrittBritt is a cool taupe with a sparkle finish that is limited edition and retails for $6.25.
Clionadh BrittBritt is 80% similar — it is more shimmery, cooler.