Inkjet ink composition and multi-color inkjet ink set having the same

A multi-color inkjet ink set, comprising:

• a first inkjet ink composition comprising water, and a first colorant comprising first and second dyes;
• and
• a second inkjet ink composition comprising water, and a second colorant comprising third and fourth dyes,
• wherein:
• a weight of the first dye soluble in 100 parts by weight of water under standard state conditions is more than 1.5 times an initial weight of the first dye contained in 100 parts by weight of the first inkjet ink composition,
• a weight of the second dye soluble in 100 parts by weight of water under standard state conditions is less than or equal to 1.5 times an initial weight of the second dye contained in 100 parts by weight of the first inkjet ink composition,
• a weight of the third dye soluble in 100 parts by weight of water under standard state conditions is more than 1.5 times an initial weight of the third dye contained in 100 parts by weight of the second inkjet ink composition, and
• a weight of the fourth dye soluble in 100 parts by weight of water under standard state conditions is less than or equal to 1.5 times an initial weight of the fourth dye contained in 100 parts by weight of the second inkjet ink composition.