why in operation theatures doctors use green color ?

Green colour symbolises life and peace. That is why it is used in operation theaters as it cools our senses.

yes, deven , you gave a great reason. Green color is symbol of life.

Actually my mother is a doctor so i had to answer this one well :P

Green Color is relaxes the mind of the patient and also the doctor from getting tense.

green colour gives fresh & enrgetical, enthusiastic to us.

People quickly became aware that blood was more impressive on white clothes, and that the light was reflected in excess by white during the operating procedure.