- Gray - Gunmetal grey. Slim trim but never prim. NYX's Slim Eye Pencils come in a variety of entrancing shades—from seafoam green to black glitter. The creamy long-wearing eye liner formula goes on easily and resists bleeding. It does not tug, pull, smear or clump and contains Coconut Oils to hydrate and condition. Line upper and lower lash line as desired. Use with any NYX Professional Makeup eyeshadow, mascara or lashes.