To provide an ink set for ink jet capable of obtaining printed articles superior in warm color representation and weather resistance, an ink jet coloring process and a colored product for outdoor.

The ink set for ink jet containing an orange pigment ink (a) and a red pigment ink (b) wherein the orange pigment ink (a) includes iron oxide serving as an orange pigment and a solvent, and the red pigment ink (b) includes iron oxide serving as the red pigment, at least one of a pigment selected from condensed polycyclic compound pigments, and a solvent.