A pigment composition which shows excellent flowability and stability with
time, when used for an ink, and whose printed matter shows an excellent
gloss, clearness, color strength and migrationfastness, and an ink
composition,
which pigment composition is formed of a phthalocyanine type pigment and a
compound of the formula (1),
P-[SO.sub.3.sup.-.Fe.sup.n+ /n]m (1)
(wherein P is a metal-free or metal phthalocyanine residue which may be
substituted with a chlorine atom, a bromine atom or both of them, n is 2
or 3 and m is a number of 1 to 4).
