Patent ID: 7753999

Claim:
A water-based ink combination for ink jet recording comprising a color ink (A) and a color ink (B) each of which independently has a lightness index L* according to the L* a* b* colorimetric system of about 60 or less, wherein the color ink (A) and the color ink (B) satisfy a color relationship of the following expression (I): about 120°≦|α−β|≦ about 240° (I) wherein α is the hue angle of the color ink (A) and β is the hue angle of the color ink (B), and wherein the chroma C* of a hue obtained by the combination of the color ink (A) and the color ink (B) is about 30 or less; and wherein the color ink (A) is a magenta ink or a cyan ink, and the color ink (B) is a greenish ink or a reddish ink.