Patent ID: 6960252

Claim:
A yellow pigment composition which comprises a monoazo yellow base pigment of formula (1), and a yellow pigment selected from the group consisting of a disazo yellow pigment of formula (2), a monoazo yellow pigment of formula (3), and a combination thereof: in the formulae (1) to (3), R 1 and R 2 represent a hydrogen atom, a chlorine atom, a nitro group, a methyl group or a methoxy group which are different with each other; R 3 , R 4 and R 5 represent a hydrogen atom, a chlorine atom, a methyl group, a methoxy group or an ethoxy group which may be the same or different; R 6 and R 7 represent a methyl group or a methoxy group; Q 1 to Q 4 each independently is selected from the group consisting of a hydrogen atom, a lower alkyl group, a lower alkoxy group having 1 to 2 carbon atoms, and a hydroxyl group; W is a substituent selected from the group consisting of: m represents an integer of 0 or 1; A and B each independently is —NH—Y—SO 3 H or —OH, wherein Y is selected from the group consisting of an ethylene group, a phenylene group and a naphthylene group, which may include a substituent.