Reactive dye mixtures containing one or more dyes of the general formula (I) ##STR00001## and one or more dyes of the general formula (II) ##STR00002## or one more dyes of the general formula (III) ##STR00003## where D.sup.-1 to D.sup.4, R.sup.31 to R.sup.33, Z.sup.31, a, b, c, f, r, t and M are each as defined in claim 1, are prepared and used for dyeing hydroxyl- and carboxamido-containing material.