Patent ID: 8097075

Claim:
An ink set comprising: an oil-based ink composition containing a metallic pigment; and at least one oil-based ink composition selected from the group consisting of a chromatic color ink composition containing a chromatic color oil dye, a black ink composition containing a black oil dye, and a colorless and transparent ink composition that does not contain a colorant, wherein the metallic pigment is composed of plate-like particles, when the major axis of the plate-like particles in a plane thereof is represented by X, the minor axis thereof is represented by Y, and the thickness thereof is represented by Z, a 50% average particle diameter R50 of an equivalent circle diameter determined by the area of the X-Y plane of the plate-like particles is in the range of 0.5 to 3μm, and the metallic pigment satisfies the relationship R50/Z>5.