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Reproduced colors which are half-tone printed at the rate of 10, 20, 30 ...100% half-tone dot area by each process ink- cyan, magenta, yellow and at the rates of 0, 30, 60, 100% half-tone dot areas by the mean color mixing of black, cyan, magenta and yellow, are matching the Munsell color system. Espacially, magenta and secondary colors which are contained magenta, do not have good uniformity and proportionalization in the dominant wavelength and the excitation purity. Half-tone colors without reflection of blue light, are reproduced ideal color with the excitation purity 100% in waveelengths from 555nm to 600nm