A process for coloring treated and untreated green olives and their products by the use of water solutions of natural Chlorophyll, Chlorophyllin and Copper Chlorophyllin salts. A procedure for the coloring of green treated and untreated whole olives in, olives without the pit and olive slices by the use of alkaline solution of natural Chlorophyll, Chlorophyllin and Copper Chlorophyllin salts so as to have a product which is a uniformed bright green in color, enriched with Chlorophylls which were removed from the natural olives during the stages of their treatment, fermentation and storage in the tanks. It is a stable product, absolutely natural which one can handle, after this new process, as all the other olives up until now, in the global market.