Hair dyeing composition comprising (a) a dye of formula (b) at least one dye selected from the compounds of formulae D is the radical of a diazo component of the formula (2a) K is the radical of a coupling component selected from aniline derivatives phenol derivatives naphthalene derivative X is -CH= -O- -S- or -N(R7)- R1, R2, R3 and R4 independently from each other are hydrogen or C1C4alkyl R5 and R6 independently from each other are hydrogen C1-C4alkyl or d-dalkoxy R7 and R9 independently from each other are unsubstituted or OH-, C1-C4alkoxy-, halogen-, amino-, d-d-mono or-dialkylamino-substituted Ci-C4alkyl or phenyl R8 is hydrogen C1-C4dalkyl CI or nitro R10 is hydrogen C1-C4alkyl CI nitro amino or d-C4mono- or C1-C4dialkylamino R11 is hydrogen C1-C4alkyl or CN R12 is unsubstituted or OH- or CN-substituted C1-C4dalkyl R13 is hydrogen or d-dalkyl R14 and R15 independently from each other are hydrogen C1-C4alkyl or C1-C4alkoxy or R14 and R15 together with the nitrogen and carbon atoms joining them together form a 5- or 6- membered ring R16 and R20 independently from each other are hydrogen d-dalkyl hydroxy CI nitro amino, d-C4mono- or dialkylamino R17, R18. R19, R21, R22 and R23 independently from each other are hydrogen or C1-C4alkyl R24 is hydrogen or C1-C4alkyl and An is a colorless anion.
