Tarte Pin-up is a warm white with a metallic finish that is limited edition and retails for $14.00. In comparison, NARS L'Amour, Toujours L'Amour #5 is a warm gold with a metallic finish that is discontinued and retails for $25.00.
NARS L'Amour, Toujours L'Amour #5 is 85% similar — it is darker, warmer.