Patent ID: 8500897

Claim:
An ink set, comprising: a yellow ink composition containing a colorant; and at least one of a magenta ink composition and a cyan ink composition, wherein the colorant of the yellow ink composition contains an azo pigment represented by the following formula (1), a tautomer of the azo pigment, or a salt or hydrate thereof, the magenta ink composition contains at least one pigment selected from quinacridone pigments as a colorant, and the cyan ink composition contains at least one pigment selected from phthalocyanine pigments as a colorant: wherein Z represents atoms necessary to complete a 5- to 8-membered nitrogen-containing heterocycle; Y 1 , Y 2 , R 11 and R 12 each independently represents a hydrogen or a substituent; G 1 and G 2 each independently represents a hydrogen, an alkyl group, an aralkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; and W 1 and W 2 each independently represents an alkoxy group, an amino group, an alkyl group or an aryl group.