A non-aqueous pigment dispersion includes a Naphthol AS pigment or a mixed crystal thereof and a Naphthol AS colorant according to Formula (I): ##STR00001## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are each independently selected from the group consisting of hydrogen, methyl, ethyl, halogen, methoxy, ethoxy, --CONH-phenyl, and --NO.sub.2; wherein the group Q is phenyl substituted by either one sulphonic acid group, two carboxylic acid groups, or salts thereof. Also, non-aqueous inkjet inks and use of the non-aqueous pigment dispersions for making colored layers.