The present invention relates to a method for colouring keratin fibres, comprising: &mdasha first step of applying to the fibres a dyeing composition (a) comprising one or more dyes chosen from chromene dyes and chroman dyes, and one or more liquid organic compounds having a Hansen so lubility parameter &deltaH of less than or equal to 16 Mpa1/2, then&mdasha second step of applying to the fibres an oxidizing composition (b) comprising one or more oxidizing agents and one or more alkaline agents, one or more metal salts and/or metal oxides being present in at least one of the compositions (a) and (b), and/or being applied during an additional step by means of a composition (c). The invention likewise relates to a kit suitable for implementing this method.
