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Message: <blockquote data-quote="Core" data-source="post: 7222476" data-attributes="member: 263471"><img src="http://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Felix_von_Luschan_Skin_Color_chart.svg/500px-Felix_von_Luschan_Skin_Color_chart.svg.png" alt="" class="fr-fic fr-dii fr-draggable " style="" />Von Luschan's chromatic scale is a method of classifying skin color. It is also called the von Luschan  scale or von Luschan's scale. It is named after its  inventor, Felix von Luschan. The equipment consists  of 36 opaque glass tiles which were compared to the subject's skin,  ideally in a place which would not be exposed to the sun (such as under  the arm). Though the von Luschan scale was used extensively throughout the  first half of the twentieth century in the study of race and anthropometry,  it was considered problematic, even by its practitioners, because it  was very inconsistent. In many instances, different investigators would  give different readings of the same person. It was largely abandoned by  the early 1950s, replaced instead by methods utilizing reflectance spectrophotometry. A less finely tiered scale of six skin types is currently in use (introduced 1975)  for the purpose of classifying sun  tanning risk. These types correspond to: type I: von Luschan 1-5 (very light).type II: von Luschan 6-10 (light).type III: von Luschan 11-15 (intermediate).type IV: von Luschan 16-21 ("Mediterranean").type V: von Luschan 22-28 (dark or "brown").type VI: von Luschan 29-36 (very dark or "black"). The important difference between the von Luschan and the skin type  scales is one of intended application: the skin tone scale is intended  to simply classify individuals by their de facto skin tone,  not to establish racial classifications of entire  cognate populations.</blockquote>

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