[2] Historically, only "medallion taxicabs", those painted in distinctive yellow, were permitted to pick up passengers in response to a street hail.
The color was chosen in consultation with a design firm to readily differentiate the fleet from the traditional yellow taxis and from the city’s emergency vehicles.
[7] Following the enactment of the law in December 2011, a state supreme court judge halted the plan in June 2012 by a lawsuit brought by the yellow cab industry.
[11] In May, the TLC announced plans to phase out green cabs with a new permit system for pre-arranged hires only taking their place.
[10] The boro taxis are various car makes and models, but they are all painted an identical color of apple green, with standard marking on the vehicles.
The passengers for pre-arranged trips can negotiate the price, but can only be picked up in the outer boroughs (including the airports) and north of the yellow zone in Manhattan.