The present invention relates to direct dyes of azomethine type of formula (I) below and also to the use thereof for dyeing keratin fibres in particular human keratin fibres such as the hair. The invention also relates to a composition for dyeing keratin fibres comprising such direct dyes in a suitable dyeing medium. Similarly a subject of the invention is a process for dyeing keratin fibres using the said dye composition and also a device comprising the same. Finally the present invention also relates to precursors of these direct dyes.
