Anna how do we see pink and brown if they are not on the electromagnetic spectrum?? I really don’t get it are colours

Question: Anna how do we see pink and brown if they are not on the electromagnetic spectrum?? I really don't get it are colours actually there or is it just our eyes?????!!!! # confused?com :-)????
- Keywords:
  colour,
  electromagnetic,
  sense,
  spectrum
Asked by Khrystillianna to Anna on 14 Nov 2014.
- Anna Scaife answered on 14 Nov 2014:
  
  Hey Khrystillianna – pink and brown are mixtures of other colours, so they don’t appear individually in the EM spectrum, but our eyes can detect them because they are able to pick up combinations of the “pure” colours in the visible part of the EM spectrum. Our eyes are pretty clever 🙂

Question: Anna how do we see pink and brown if they are not on the electromagnetic spectrum?? I really don't get it are colours actually there or is it just our eyes?????!!!! # confused?com :-)????