| 摘要 |
<p>Provided is an ink which has a high level of fastness, has excellent color tone and permeability into an image receiving paper, and suppresses generation of bronze in an obtained printed material. That is, there is provided an ink composition comprising at least three color materials of a first color material, a second color material and a third color material, wherein the first color material is a compound represented by general formula (Y), the second color material is at least one type of compound selected from group A containing compounds having specific structures, and the content (mass%) of the second color material in the composition with respect to the content (mass%) of the first color material in the composition is 0.001 to 1.0 in mass ratio, and the third color material is a compound different to the first color material and has a specific structure. General formula (Y): (In the general formula (Y), M independently represents a hydrogen atom or a cation, and when M represents a cation, M represents an Li+ion, Na+ion, K+ion or NH4 +ion.)</p> |
