Check out the updated CreativeLive class, Fundamentals of Photography 2015 http://cr8.lv/jgfunddp2015yt
The common advice given on selecting the saturation point is to go "until it looks good." creativeLIVE instructor John Greengo has developed an assured method for getting just the right color saturation for you photos.
In his course, Fundamentals of Digital Photography 2014, he calls it,
"One third of too far."
Master his technique and more by accessing the complete course: http://cr8.lv/dpfund2014yt
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