Green is good, but so is gold: The colour of extra virgin olive oil(EVOO)

Green is good, but so is gold: The colour of extra virgin olive oil

http://www.aromadictionary.com/EVOO_blog/?p=372

Second Photo source:

(journal of agricultural and food chemistry, USA)

http://pubs.acs.org/doi/abs/10.1021/jf902084d