Dye mixture comprising at least two reactive dyes having different chromophors, characterized in that at least one triphendioxazine dye 1 of the formula 1.1 to 1.3 and at least one copper phthalocyanine dye 2 of the formula 2.1 to 2.4 and also, optionally, a copper formazan dye 3 of the formula 3.1 to 3.3 is present.