Fig. 1. Simulated light source spectra of RGB-LED under different conditions. (a) Peak wavelength of blue LED is different; (b) peak wavelength of green LED is different; (c) peak wavelength of red LED is different

Fig. 2. Chromaticity mismatch area of Munsell surface N5/ when a standard illuminant D65 was changed to a real RGB-LED light source

Fig. 3. General color rendering indices of simulated RGB-LED light sources under different conditions. (a) Peak wavelength of blue LED is different; (b) peak wavelength of green LED is different; (c) peak wavelength of red LED is different

Fig. 4. Relationship between general color rendering indices of simulated RGB-LED light sources and parameters of metamer mismatch body that 12 Munsell color surfaces correspond to. (a) Metamer mismatch volume; (b) size of chromaticity mismatch area

Fig. 5. Relationship between general color rendering indices of simulated RGB-LED light sources and parameters of metamer mismatch body averaged over 12 Munsell surfaces. (a) Metamer mismatch volume; (b) size of chromaticity mismatch area

Fig. 6. Relationship between general color rendering indices of real RGB-LED light sources and parameters of metamer mismatch body that 12 Munsell surfaces correspond to. (a) Metamer mismatch volume; (b) size of chromaticity mismatch area

Fig. 7. Relationship between general color rendering indices of real RGB-LED light sources and parameters of metamer mismatch body averaged over 12 Munsell surfaces. (a) Metamer mismatch volume; (b) size of chromaticity mismatch area

Fig. 8. Color differences of 240 Munsell surfaces between standard illuminant D65 and simulated or real RGB-LED light sources. (a) Peak wavelength of blue LED of simulated light source is different; (b) peak wavelength of green LED of simulated light source is different; (c) peak wavelength of red LED of simulated light source is different; (d) color differences between standard illuminant D65 and real RGB-LED light sources