NARS Night Porter is a slightly cool-toned, dark green with a sparkle finish. It is a permanent eyeliner that retails for $24.00 and contains 0.02 oz.
NARS Night Porter Night Series Eyeliner ($24.00 for 0.02 oz.) is described as a "black with green pearl." It's a medium-dark black with subtle warm undertones and cool-toned, emerald green shimmer. It had sheer color payoff in one stroke, and it was buildable to semi-opaque color coverage that was uneven. MAC Devotion (P, $20.00) is lighter. Urban Decay Loaded (P, $19.00) is darker. MAC Dark Envy (LE, $16.00) is lighter, less sparkly. NARS Snake Eyes (P, $25.00) is very similar. See comparison swatches / view dupes.