The invention relates to the use of a pigment composition containing between 86.0 and 99.9 total mol % of C.I. Pigment Yellow 74 molecules and between 14.0 and 0.1 total mol % of at least one monoazo pigment of the formula (1) ##STR00001## wherein R.sup.1 represents Cl, OCH.sub.3, OH.sub.3 or NO.sub.2 as a coloring agent for pigmenting ink-jet inks and color filters.