Abstract: The present invention relates to a proces for producing colored oxide layers on aluminum or on aluminum alloys by dyeing in an aqueous dye bath, rinsing with water and sealing, wherein there is used for the dyeing at least one dye of the general formula wherein m is a value from 1 to 8, especially from 1 to 4, n is a value from 0 to 7, especially from 1 to 4, the sum of m and n being less than or equal to 8, A is the radical of a chromophore of the 1-aminoanthraquinone, anthraquinone, anthrapyrimidine, azo, azomethine, benzodifuranone, quinacridone, quinacridonequinone, quinophthalone, diketopyrrolopyrrole, dioxazine, flavanthrone, indanthrone, indigo, isoindoline, isoindolinone, isoviolanthrone, perinone, perylene, phthalocyanine, pyranthrone or thioindigo series, B is a hydrogen atom, a branched or straight-chain C1-8alkyl, C2-8alkenyl or C2-8alkynyl radical, an aryl radical, an N—, O— or S-containing 5- or 6-membered heterocyclic ring, or a C1-8alkyl-arylene, aryl-C1-8alkylene or aryl-L-arylene radi