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
Chameleon heat more efficiently, then a lighter grey colour to reflect light during the heat of the day. It may show both colors at the same time, neatly separated left from right by the spine. For a long time it was thought that chameleons change colour by dispersion of pigment-containing organelles within their skin. However, research conducted in 2014 on panther chameleons has shown that pigment movement only represents part of the story. Chameleons have two superimposed layers within their skin that control their colour and thermoregulation. The top layer contains a lattice of guanine nanocrystals, and by exciting this lattice