The Martin–Schultz scale is a standard color scale commonly used in

physical anthropology Biological anthropology, also known as physical anthropology, is a scientific discipline concerned with the biological and behavioral aspects of human beings, their extinct Hominini, hominin ancestors, and related non-human primates, particularly ...

to establish more or less precisely the

eye color Eye color is a polygenic phenotypic character determined by two distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. In humans, the pi ...

of an individual; it was created by the anthropologists

Rudolf Martin Rudolf Martin (born 31 July 1967) is a German actor working mainly in the United States. He first appeared in off-Broadway productions and then moved on to extensive TV and film work. He has made guest appearances on numerous hit television seri ...

and

Bruno K Schultz Bruno may refer to: People and fictional characters *Bruno (name), including lists of people and fictional characters with either the given name or surname * Bruno, Duke of Saxony (died 880) * Bruno the Great (925–965), Archbishop of Cologne, ...

in the first half of the 20th century. The scale consists of 20 colors (from light blue to dark brown-black) that correspond to the different eye colors observed in nature due to the amount of melanin in the iris (in this case, the lower the number, the lighter the eye color): *1-2: blue iris (1a, 1b, 1c, 2a : light blue iris - 2b: darker blue iris) *3: blue-gray iris *4: gray iris (4a, 4b) *5: blue-gray iris with yellow/brown spots *6: gray-green iris with yellow/brown spots *7: green iris *8: green iris with yellow/brown spots *9-10-11: light-brown and hazel iris *12-13: medium brown iris *14-15-16: dark-brown and black iris

References

{{DEFAULTSORT:Martin-Schultz Scale Biological anthropology Color scales Eye color

See also

References