Skin (Marvel Comics) had a greyish tone and, because of the extra amount, gave him the appearance of a melted candle. At one point, along with compressing his skin tighter against his body, Skin was learning to manipulate the pigment melanin in his epidermis in order to appear normal. However, performing these two stunts together caused him to have migraines and he soon gave up on the idea of being normal. In the alternate timeline of the Age of Apocalypse, Skin was featured in "Generation Next" as one of the protégés tapped by Colossus and Shadowcat to rescue Illyana Rasputin from enslavement at
Pigment place names remained. Historically and culturally, many famous natural pigments have been replaced with synthetic pigments, while retaining historic names. In some cases, the original color name has shifted in meaning, as a historic name has been applied to a popular modern color. By convention, a contemporary mixture of pigments that replaces a historical pigment is indicated by calling the resulting color a hue, but manufacturers are not always careful in maintaining this distinction. The following examples illustrate the shifting nature of historic pigment names: Before the development of synthetic pigments, and the refinement of techniques for extracting mineral pigments,