Steve, just to add to this, a recent comment by Eric Borneman suggests food and water movement as major contributing factors to color.  
You are correct about great colors in so many different lighting combos. I think light is over emphazised a lot in coral color. 
		
	
		
		
		
		
			
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				Brad
			 
		
		
		
		
	
		
		
	
	
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