Department of Industrial Design, KAIST, Daejeon, South Korea.
Next Beauty II, AMOREPACIFIC CORPORATION, Seoul, South Korea.
Acta Psychol (Amst). 2024 Feb;242:104120. doi: 10.1016/j.actpsy.2023.104120. Epub 2023 Dec 29.
This study aims to investigate human hair color perception through two empirical studies in the context of colored hair. The preliminary study was intended to establish a numerical representation of perceptually meaningful brightness levels. It identified that the brightness level was proportional to the power of 0.766 of L*. In the visual assessment, participants (N = 47) categorized 246 hair color samples into eight color hue groups aligned with the Munsell system. Hue judgment was conducted by visually comparing dyed hair tresses with natural black hair. Based on the L*, a*, and b* values of hair tresses and visual assessments thereof, we observed the ranges of hue categories for hair color alongside the brightness levels. Additionally, the differences between the Munsell hue names and the assessment results were compared. Predominantly influenced by the dark brown hair color, the neutral orientation was shifted to the first quadrant of the a*-b* plane. The study contributes to an understanding of human hair color perception and provides insights into color categorization and labeling, especially when the context is confined.
本研究旨在通过两项关于彩色头发的实证研究来探讨人类对头发颜色的感知。初步研究旨在建立一个有意义的亮度水平的数值表示。研究发现，亮度水平与 L的 0.766 次方成正比。在视觉评估中，参与者（N=47）将 246 个头发颜色样本分为八个与孟塞尔系统一致的色调组。色调判断是通过将染过的头发与自然的黑色头发进行视觉比较来进行的。基于头发的 L、a和 b值及其视觉评估，我们观察了头发颜色的色调类别范围以及亮度水平。此外，还比较了孟塞尔色调名称与评估结果之间的差异。主要受深棕色头发颜色的影响，中性方向被转移到 a*-b*平面的第一象限。本研究有助于理解人类对头发颜色的感知，并为颜色分类和标记提供了深入的见解，尤其是在限定的语境下。
