Abstract

The spectral loci of both unique blue and unique yellow were measured over a 16-month period. Using the method of constant stimuli, two neutrally adapted observers made forced-choice green or red responses to monochromatic test flashes. Results showed a consistent difference between observers (about 5 nm), considerable within-subject variability (standard deviation 3 nm), and significant long-term drifts (>5 nm) in spectral loci. These results demonstrate the importance of frequently redetermining unique-hue loci when they are used as baselines in chromatic contrast and adaptation studies.

© 1988 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Loci of spectral unique hues throughout the life span

Brooke E. Schefrin and John S. Werner
J. Opt. Soc. Am. A 7(2) 305-311 (1990)

Change in hue of spectral colors by dilution with white light (Abney effect)

W. Kurtenbach, C. E. Sternheim, and L. Spillmann
J. Opt. Soc. Am. A 1(4) 365-372 (1984)

Constant hue loci of unique and binary balanced hues at 10, 100, and 1000 Td

Miyoshi Ayama, Takehiro Nakatsue, and Peter K. Kaiser
J. Opt. Soc. Am. A 4(6) 1136-1144 (1987)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (3)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription