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So far, I tried two methods for color calibration on my Samsung B650 LCD: Blue Only Mode for Color/Tint with Auto Color Space and D2 for CMS with Custom Color Space. Earlier today, I decided to try setting Color/Tint with the D2 using Auto Color Space. I wanted to compare the results between the two methods on a level playing ground.
Blue Only Mode
Color 45
Tint G48/R52
D2
Color 44 (optimized for Y of measured red primary)
Tint G52/R48 (optimized for minimal overall xy errors of all three calculated secondaries)
Therefore, the D2 used Y targets and secondary xy targets optimized for the measured primaries (xy). Color was reduced by one click while tint moved four clicks more green and less red. The end result was much more natural looking skin tones that are a little less bright and less red. Before, the skintones looked too red and a little too bright. It seems the Blue Only method was okay for setting color but way off for setting tint. One click for color is a minor change but four clicks for tint is a major change.
Blue Only Mode
Color 45
Tint G48/R52
D2
Color 44 (optimized for Y of measured red primary)
Tint G52/R48 (optimized for minimal overall xy errors of all three calculated secondaries)
Therefore, the D2 used Y targets and secondary xy targets optimized for the measured primaries (xy). Color was reduced by one click while tint moved four clicks more green and less red. The end result was much more natural looking skin tones that are a little less bright and less red. Before, the skintones looked too red and a little too bright. It seems the Blue Only method was okay for setting color but way off for setting tint. One click for color is a minor change but four clicks for tint is a major change.