Cite as:
Gómez J, de Fez M D, Luque M J, Camps V J, Díez M A, 2000, "Influence of the illuminant in the comparative study of simultaneous and successive colour matching" Perception 29 ECVP Abstract Supplement

Influence of the illuminant in the comparative study of simultaneous and successive colour matching

J Gómez, M D de Fez, M J Luque, V J Camps, M A Díez

Following up the line of work developed by our group in the field of colour memory under different observation conditions (Perez-Carpinell et al, 1998 Color Research and Application 23 234 - 237, 416 - 427), we have studied how changes in observation illuminant influence the perceptual descriptors and the total colour difference between pairs of matched samples, both by simultaneous matching and memory matching.

Two experiments were carried out (symmetric and asymmetric matching), each consisting of two parts: simultaneous matching and successive matching (or memory matching). In the symmetric matching, samples were always seen under D65 illuminant. In the asymmetric matching, the observers matched first the samples haploscopically, but each eye was adapted to a different illuminant (D65 and A) and, at a second stage, samples were memorised under D65 and recognised under A. The results were analysed with the SVF space (Seim et al, 1986 Color Research and Application 11 11 - 24), which is specifically adapted to the Munsell Colour Atlas and presents a high degree of uniformity.

We conclude that the best-matched colours, both by simultaneous matching and by memory, lie along the red - green axis, whereas the worst-matched colours lie along the blue - yellow axis.

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