A coating colour comprising pigment, binder, polymeric amine, additives and water, characterized in that the polymeric amine has the general formula I wherein the chain segments n, m and/or o are each, independently of one another, an ethylene unit substituted by an esterified carboxyl group, preferably in a 1-3 position; wherein the chain segments n, m and/or o may each occur, independently of one another, in variable order; m and/or n are each, independently of one another, an integer selected from the group of 1, 2 and 3; o is an integer selected from the group of 0,1, 2 and 3; the chain segments n, m and/or o are each separated, independently of one another, by 0, 1, 2, 3, 4 or 5 ethylene units; r is an integer selected from the group of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12; R1 and R1' are each selected, independently of one another, from the group consisting of H, alkyl residues, cyclic alkyl residues and aryl residues, particularly CH 3, C 2 H 5, C 3 H 7, C 4 H 9, C 5 H 11 and C 6 H 5; R2 is selected from the group consisting of hydroxy alkyl groups, particularly CH 2 OH, C 2 H 4 OH, C 3 H 6, OH, C 4 H 8 OH, C 5 H 10 OH, C 6 H 12 OH and para-C 6 H 4 OH; R3 is selected from the group of (CH 2 CH 2 O) q R4, wherein q is an integer selected from the group of 1 to 40; R4 are selected from the group consisting of H, alkyl residues, cyclic alkyl residues, esters and aryl residues, particularly CH 3, C 2 H 5, C 3 H 7, C 2 H 4 OCH 3, C 4 H 9, C 5 H 11 and C 6 H 5; R5, R6 and R7 are each selected, independently of one another, from the group consisting of H and CH 3; R8 and R10 are each selected, independently of one another, from the group consisting of H, CH 3; and R9 and R11 are each selected, independently of one another, from the group consisting of H, CH 3, CH 2 CHCOOH, acrylate, vinyl residues, CH 2 CH 3, aromatic phenyl residues and styrene C 8 H 8. wherein the chain segments n, m and/or o are each, independently of one another, an ethylene unit substituted by an esterified carboxyl group, preferably in a 1-3 position; wherein the chain segments n, m and/or o may each occur, independently of one another, in variable order; m and/or n are each, independently of one another, an integer selected from the group of 1, 2 and 3; o is an integer selected from the group of 0,1, 2 and 3; the chain segments n, m and/or o are each separated, independently of one another, by 0, 1, 2, 3, 4 or 5 ethylene units; r is an integer selected from the group of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12; R1 and R1' are each selected, independently of one another, from the group consisting of H, alkyl residues, cyclic alkyl residues and aryl residues, particularly CH 3, C 2 H 5, C 3 H 7, C 4 H 9, C 5 H 11 and C 6 H 5; R2 is selected from the group consisting of hydroxy alkyl groups, particularly CH 2 OH, C 2 H 4 OH, C 3 H 6, OH, C 4 H 8 OH, C 5 H 10 OH, C 6 H 12 OH and para-C 6 H 4 OH; R3 is selected from the group of (CH 2 CH 2 O) q R4, wherein q is an integer selected from the group of 1 to 40; R4 are selected from the group consisting of H, alkyl residues, cyclic alkyl residues, esters and aryl residues, particularly CH 3, C 2 H 5, C 3 H 7, C 2 H 4 OCH 3, C 4 H 9, C 5 H 11 and C 6 H 5; R5, R6 and R7 are each selected, independently of one another, from the group consisting of H and CH 3; R8 and R10 are each selected, independently of one another, from the group consisting of H, CH 3; and R9 and R11 are each selected, independently of one another, from the group consisting of H, CH 3, CH 2 CHCOOH, acrylate, vinyl residues, CH 2 CH 3, aromatic phenyl residues and styrene C 8 H 8.