The present invention relates to a process for dyeing keratin fibres, in particular the hair, which consists in applying to the keratin fibres: at least one coat of at least a first composition (i) comprising at least one hydrophobic film-forming polymer, at least one volatile solvent and at least one pigment, and then, after drying, at least a second coat of at least a second composition (ii) comprising at least one hydrophobic film-forming polymer, at least one volatile solvent and at least one pigment, the pigments of compositions (i) and (ii) being qualitatively and/or quantitatively different.