are colours different to each person? like my blue might be different to yours?

Question: are colours different to each person? like my blue might be different to yours?
- Keywords:
  colour,
  eye,
  neuroscience
Asked by Flori to Angela, Claire, Ian, Robert, Sarah on 13 Nov 2014.
- Angela Stokes answered on 13 Nov 2014:
  
  Hi Flori
  Yes people can perceive colours differently, although unless you are colour blind if we are shown the colour blue we will both see blue. The difference will be very small.

Question: are colours different to each person? like my blue might be different to yours?