The present invention provides a total of 86.0 to 99.9 mol% C.I. I. Pigment Yellow 74 molecules and a total of 14.0 to 0.1 mol% of formula (1) The present invention relates to the use of a pigment composition comprising at least one monoazo pigment (wherein R 1 represents Cl, OCH 3 , CH 3 or NO 2 ) as a colorant for pigment inkjet inks and color filters.