The Key Lime skin has a thin rind that is smooth with a leathery texture, bears many small pores that are visible across the skin, and transforms from green to dark green with pale yellow blush when mature. The rind is also full of oils that can be released by zesting or scratching the surface and is aromatic with floral notes. Key limes have a tart, very acidic taste with floral, herbal notes and some bitter undertones.