Is dermatological lilac really lilac
Dermatologica Sinica(2018)
摘要
Abstract Background/Objective Dermatologists use the word lilac to describe a shade of erythema; especially in lichen planus, morphea, and dermatomyositis. The aim of this study to determine whether or not there is a color really consistent with a lilac color, when they perceive it. Methods Four illustrations were prepared for each of these three diseases. Only one illustration of each of the diseases had a color really consistent with a lilac color. Seventy-two physicians working in dermatology (16 residents, 20 teaching staffs, and 36 non-academician specialists) were included in this study. They were asked to choose the most representative illustration for each of the diseases. Results Only a few physicians chose illustrations having a color really consistent with a lilac color. In most commonly chosen illustrations, there was a rose or even a salmon color in the area perceived as having a lilac color by the physicians. Conclusion Our results might be explained by the color contrast phenomenon. In other words, a human may discern a verging towards lilac from an object not colored such by comparing its color to that of its background, so he may perceive this color.
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关键词
Color perception,Dermatology,Erythema,Medical illustrations,Visual perception
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