Quantitative subjective analysis of color tone perception and description by native speakers of Japanese. - Nadia Bianchi-Berthouze; William L. Martens; Charith N. W. Giragama; Dishna R. Wanasinghe (Human Vision and Electronic Imaging, 2004)

Cross-Language Similarity between Perceptual and Semantic Structures of Color Tones. - Charith N. W. Giragama; Chandrajith Ashuboda Marasinghe; Ajith P. Madurapperuma; Dishna R. Wanasinghe; Susantha Herath; Minetada Osano (SMC, 2006)

Boundary Color Tones between Color Modifiers in Two Languages. - Dishna R. Wanasinghe; Chandrajith Ashuboda Marasinghe; Ajith P. Madurapperuma; Charith N. W. Giragama; Susantha Herath; Minetada Osano (SMC, 2006)