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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 31, Iss. 4 — Apr. 1, 2014
  • pp: A121–A124

Optimization of the correlated color temperature of a light source for a better color discrimination

Pedro J. Pardo, María Isabel Suero, Ángel L. Pérez, and Guadalupe Martínez-Borreguero  »View Author Affiliations


JOSA A, Vol. 31, Issue 4, pp. A121-A124 (2014)
http://dx.doi.org/10.1364/JOSAA.31.00A121


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Abstract

In a previous work [J. Opt. Soc. Am. A29, A209 (2012)], we presented a visual color discrimination experiment whose results established the existence of a relationship between the correlated color temperature (CCT) of a light source and the color discrimination capacities of the observers. The results indicated the existence of a statistically significant difference in the color discrimination of unequal sample pairs when using light sources of different color temperatures, with the discrimination capacity being greater the higher the light source’s color temperature. That previous work employed an RGBA–LED light source configured with three color temperatures: 2800, 5000, and 6500 K. In order to go a further step in this line, this work expanded the range of color temperatures up to 9700 K. The results showed that there is an optimum CCT of around 5000 K at which observers were found to have a greater color discrimination capability.

© 2014 Optical Society of America

OCIS Codes
(330.1720) Vision, color, and visual optics : Color vision
(330.1715) Vision, color, and visual optics : Color, rendering and metamerism

ToC Category:
Chromatic discrimination

History
Original Manuscript: September 30, 2013
Revised Manuscript: December 10, 2013
Manuscript Accepted: December 20, 2013
Published: January 24, 2014

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Pedro J. Pardo, María Isabel Suero, Ángel L. Pérez, and Guadalupe Martínez-Borreguero, "Optimization of the correlated color temperature of a light source for a better color discrimination," J. Opt. Soc. Am. A 31, A121-A124 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-4-A121

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