The colour of a ripened olive is set by its maturity and the curing course of utilized. Olives, naturally inexperienced when immature, endure colour modifications as they ripen on the tree, progressing by means of shades of yellow, red-brown, and eventually, to a darkish purple or black.
The depth of colour attained throughout ripening and curing is influenced by components resembling olive selection, rising situations, and the particular curing technique used. The curing course of, typically involving lye options or brine, additional alters the olive’s pigment and texture, contributing considerably to the ultimate look. Strategies exist to artificially darken inexperienced olives, simulating the colour of ripened fruit.