MAC 10s Across Da Board is a cool red with a pearl finish that is limited edition and retails for $21.00. In comparison, Cle de Peau Lempicka Red (18) is a cool red with a cream finish that is permanent and retails for $48.00.
Cle de Peau Lempicka Red (18) is 85% similar — it is less shimmery, darker, cooler.