NIB MAC Cosmetics Robert Lee Morris Collection Blush in Rhubarb MAC Rhubarb is a moderately warm-toned, dark copper with a frost finish. This shade was a limited edition shade (not the same as the permanent shade by the same name). If you’re a fan of Robert Lee Morris, or MAC limited edition collections, this is a great addition to your makeup bag! New in packaging, only opened to photograph. Never used or swatched.