correct color of the oil filler tube & cap for 1968 camaro with a 327 ?

[malley67]

Hi everyone,
can anyone please tell me what correct color of the oil filler tube and cap should be for a 1968 camaro with a 327 ci / 210 hp motor.
should it be orange or black ?
thanks for your time and help.
kind regards,
rohan 

[gro51]

Orange tube.  Unsure about the cap.

[lakeholme]

orange. cap, too

[heckler]

Orange