Abstract
The affective tone of colour is an important factor for the colour scheme. Although several attempts have been made to analyse the affective tone of colour from the psychological point of view, none is satisfactory in terms of the quantitative analysis.
Since the Vivid-Sombre, Gaudy-Plain, Striking-Subdued, Dynamic-Passive, Distinct-Vague, Transparent-Turbid, Soft-Hard and Strong-Weak feelings are fundamental affections based on chroma, we have examined to analyse quantitatively the feelings of colour in terms of colorimetric values which are supposed to correlate with the affective tone.
We performed a visual experiment where either word to be selected from the specimens selected systematically in colour space. The results confirm that the feelings are mainly affected by Munsell chroma and Munsell value. The visual assessment was compared with Munsell chroma, Munsell value and so on, which computed from the colorimetric values, and the following empirical formula was found to represent the feelings, respectively.
where, CI: Colour image value, V: Munsell value, C: Munsell chroma, kv: Constant of the contribution of Munsell, value for the colour image, kc: Constant of the contribution of Munsell chroma for the colour image, ks: Constant for the scaling of the colour image, V0, C0: Munsell value and chroma when the colour image percent is minimum.
