Patent ID: 6849110

Claim:
An ink composition comprising, at least, a yellow pigment, a magenta pigment and a cyan pigment, wherein said yellow pigment is a pigment (I) shown by a formula (I) below; said magenta pigment is a pigment (II) shown by a formula (II) below; and said cyan pigment is a pigment (III) shown by a formula (III) below: wherein Y 1 through Y 8 independently represent a chlorine atom or a hydrogen atom, and R represents o-phenylene or 2,6-xylyl; wherein X 1 through X 10 independently represent a chlorine atom, a hydrogen atom or a methyl group; wherein the difference between the maximum value and the minimum value of the reflectance of an output color through an ink jet output over a light source wavelength range of 400 to 700 nm, in which said output color satisfies formulae (1), (2) and (3) below in spatial coordinates (L*, a*, b*) stipulated by the CIE (Commission International del'Eclairage) under a D50 light source, is not more than 20%: (1) 45≦L*≦55 (2) −10<a*<10 (3) −10<b*<10.