If you ask a number of people to define precisely any colour, you will get just as many slightly different descriptions. Prompted by your enquiry I examined one of my (very healthy) Nadine shoots under a magnifying glass, and detected several shades of green, with touches of red and brown and purple. What you have described sounds perfectly o.k. to me.
You shouldn`t take any notice of all you see or hear on the BBC - it`s even worse than the newspapers.