Eye color for a plausible argument stating that some eyes can or do change, based on chemical reactions and hormonal changes within the body. Studies on Caucasian twins, both fraternal and identical, have shown that eye color over time can be subject to change, and major demelanization of the iris may also be genetically determined. Most eye-color changes have been observed or reported in the Caucasian population with hazel and amber eyes. Carleton Coon created a chart by the original Martin scale. The numbering is reversed on the scale below in the (later) Martin–Schultz scale, which is (still) used in physical anthropology.
Blue Is the Warmest Colour Blue Is the Warmest Colour Blue Is the Warmest Colour (; ), known as Blue Is the Warmest Color in the United States, is a 2013 French romance film co-written, co-produced, and directed by Abdellatif Kechiche, and starring Léa Seydoux and Adèle Exarchopoulos. The film follows Adèle (Exarchopoulos), a French teenager who discovers desire and freedom when an aspiring painter (Seydoux) enters her life. The film charts their relationship from Adele's high school years to her early adult life and career as a school teacher. The premise of "Blue Is the Warmest Colour" is based on the 2010 graphic novel