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Lookup NU author(s): Ruben PastilhaORCiD
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© 2019 Wiley Periodicals, Inc. The Munsell Color System and the Natural Color System are widely used but they have some limitations due to the manufacturing process and sampling choices. To estimate quantitatively these limitations we compared the colors of natural scenes with the colors represented by these systems under a wide range of illuminants. Spectral data from the two systems and from natural scenes were used in the analysis. It was found that a considerable portion of natural colors are not accounted by these systems, mainly colors with low lightness levels. Under D65 the Munsell Color System color volume corresponds to 72% of the Natural Color System color volume which in turn represents only 53% of the natural scenes color volume. If individual colors are considered, less than half are contained within these systems. To obtain a complete match to the natural colors contained by the color systems thresholds of 7 and 5 CIELAB units would be required for Munsell Color System and Natural Color System, respectively. Variations with the illuminant are generally modest showing that both system work similarly across different illuminations. Although these Color Systems have limitations in describing low lightness colors they perform quite well for medium to high levels of lightness.
Author(s): Pastilha RC, Linhares JMM, Rodrigues AIC, Nascimento SMC
Publication type: Article
Publication status: Published
Journal: Color Research and Application
Year: 2019
Volume: 44
Issue: 3
Pages: 411-418
Print publication date: 01/06/2019
Online publication date: 13/02/2019
Acceptance date: 11/01/2019
ISSN (print): 0361-2317
ISSN (electronic): 1520-6378
Publisher: John Wiley and Sons Inc.
URL: https://doi.org/10.1002/col.22355
DOI: 10.1002/col.22355
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