Metered taxi in Beijing start at ¥13 for the first , ¥2.3 Renminbi per additional  and ¥1 per ride fuel surcharge, not counting idling fees which are ¥2.3 (¥4.6 during rush hours of 7–9 am and 5–7 pm) per 5 minutes of standing or running at speeds lower than . Most taxis are Hyundai Elantras, Hyundai Sonatas, Peugeots, Citroëns and Volkswagen Jettas. After , the base fare increases by 50% (but is only applied to the portion ''over'' that distance). Different companies have special colours combinations painted on their vehicles. Usually registered taxis have yellowish brown as basic hue, with another color of Prussian blue, hunter green, white, umber, tyrian purple, rufous, or sea green. Between 11 pm and 5 am, there is also a 20% fee increase. Rides over  and between 23:00 and 06:00 incur both charges, for a total increase of 80%. Tolls during trip should be covered by customers and the costs of trips beyond Beijing city limits should be negotiated with the driver. The cost of unregistered taxis is also subject to negotiation with the driver.