abstract |
To provide a yellow colorant for a color filter capable of achieving both high brightness and high contrast ratio. A method for producing a yellow colorant, wherein a mixture comprising Pigment Yellow 138 and a triazine compound represented by Formula 1 is wet-ground in the presence of a water-soluble inorganic salt and an organic solvent. (X is, -NH -, - O -, - CONH -, - SO 2 NH -, - CH 2 NH -, - CH 2 NHCOCH 2 NH-, A and B, -Y- (CH2) nNR1R2 or - A group represented by Z 1 -R 3 , Z 1 represents NH or O, and R 3 represents H, an alkyl group or an aryl group.) [Selection figure] None |