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Research Article


ScienceAsia 14 (1988): 121-136 |doi: 10.2306/scienceasia1513-1874.1988.14.121

 

METHODS OF NOTATION OF THAI MURAL PAINTING COLOURS BY CIE AND MUNSELL SYSTEMS*

 

SAKDA SIRIPANT

ABSTRACT: A search for the Thai names of colours used in mural painting has resulted in the identification and systematic compilation of some 209 colour names. Fifty colour patches commonly used in mural painting were produced using traditional pigment powder. The correctness of produced colour patches was ascertained by two well-known artists of the Fine Arts Department, Ministry of Education. Two well-known methods, the Munsell and the CIE systems, were used to specify the characteristics of the fifty Thai traditional colours.

     For the Munsell system, a glossy edition of the Book of Colour was used. For each patch, two adjacent Munsell constant-hue chips were selected, between which the hue of the specimen lay. The value, chroma and hue were estimated by interpolation or extrapolation of the chip designations, using a 6500 K light source and an illuminance at the surface of 1900 lux.

     For the CIE system, the chromaticity coordinates (x,y) and. luminance (Y) of the fifty colour patches were measured by an ICS (MicroMatch) spectrophotometer using Illuminant D65.

     The notation of Thai mural painting colours by the CIE and Munsell systems and the accompanying publication of fifty colour patches will be helpful in establishing common standards for Thai traditional colours for future and preservation work.

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* A paper presented at the 13th conference of Science and Technology in Thailand, Songkhla, Thailand, 19-22 October 1987.

Department of Photographic Science and Printing Technology, Faculty of Science, Chulalongkorn University, Bangkok 10500, Thailand.

Received 8 March 1988