Is it possible to make a new colour

Question: Is it possible to make a new colour
- Keywords:
  colour,
  light,
  vision
Asked by jd1 to Claire, Liad, Ryan, Mako on 24 Jun 2015.
- Ryan Cheale answered on 24 Jun 2015:
  
  A new colour we can see? Probably not i think they’ve all been proven. But to make one we can’t see, you tell me! 😛

Question: Is it possible to make a new colour