| 摘要 |
PROBLEM TO BE SOLVED: To obtain an aqueous ink set capable of enriching the color in the wide visible region, excellent in clarity, light resistance and safety, and suitable for inkjet printing or the like by including each specific cyan ink, magenta ink and yellow ink. SOLUTION: This ink set consists of an yellow ink, a magenta ink and. a cyan ink usable for color image formation. The cyan ink contains a coloring matter having a phthalocyanine skeleton, and the magenta ink contains a sulfone derivative of an anthrapyridone skeleton represented by formula I (R1' is an alkoxycarbonyl, carboxy or benzoyl; R2 is H or an alkyl; R3 and R4 are each H, a halogen, an alkyl or the like), or an anthrapyridone-based coloring matter of formula II (R1 is an alkoxycarbonyl, 3-sulfobenzoyl or the like; n is 1-2). The inkjet coloring is preferably carried out by using the ink of the aqueous ink set. |
