An inkjet color ink comprising: an aqueous medium; at least one yellow dye having a .lamda.max of from 390 nm to 470 nm and an [I(.lamda.max+70 nm)/I(.lamda.max)] ratio of an absorbance I(.lamda.max+70 nm) at .lamda.max+70 nm to an absorbance I(.lamda.max) at .lamda.max of not more than 0.4; and at least one dye having a .lamda.max of longer than 470 nm and not longer than 750 nm, the at least one yellow dye and the at least one dye being at least dissolved or dispersed in the aqueous medium, wherein both of the rate constants defined herein are not more than 5.0.times.10.sup.-2 hour.sup.-1.