Amine pyrazole nickel phthalocyanine dyes for coloration

Dyes of Formula (1) which are useful for the coloration of e.g. cellulosic materials and leathers.wherein:NiPc is a nickel phthalocyanine radical;r has a value from 1 to 3 inclusive;m has a value from 1 to 3 inclusive;p has a value from 0 to 1 inclusive;R1 is H, alkyl, substituted alkyl, aryl or substituted aryl;R2, R3 and R4 are each independently H, C1-6-alkyl or substituted C1-6-alkyl;A is phenylene, substituted phenylene, C1-6-alkylene or substituted C1-6-alkylene;Q is a labile substituent;B is phenylene, phenylene substituted by 1 or 2 sulpho groups or phenylene substituted by an alkyl or alkoxy group;Z is H or alkyl; andX and Y are each independently H, alkyl, alkoxy, halogen, carboxy or sulpho;provided that r+m+p does not exceed 4.