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Old Feb 25, 2016, 8:58 AM   #22
VTphotog
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Location: Extreme Northeastern Vermont, USA
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There are still only 256 levels of available Green. If you start measuring at a lower point of the green spectrum, the same number of steps means the steps have to be larger. You can't assign 'extra' blue levels to green.
256 Green, 256 Blue, and 256 Red.
If you want more colors, you must increase the bit depth.
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