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First, the WB is only an EXIF suggestion and not at all accurate. 2nd, LR (like ACR) uses two profiles so there's some disconnect in what the actual CCT Kelvin scale produces. Third, there's no reason to believe that the Kelvin numbers recorded are correct and worse, many colors of white can correlate to the same Kelvin numbers. Since this doesn't affect the raw data, its only a suggestion (and in the past, Nikon has gone out of its way to hide this), I'd just ignore it anyway. As shoot should be the right answer (more or less) anyway then you can tweak the WB any way you wish. The raw file is Grayscale data. The only thing that affects it is exposure and ISO.
When the camera was set to "Cloudy" (6500K) then switching to "daylight" (5200K) makes the picture cooler, switching to "Shadow" (7500K) makes the picture warmer. This is how the camera behaves and this is how Nikon's NEF convertor behaves. Obviously, when the camera was set to "Cloudy", then switching between "As shot" and "Cloudy" should make no change, because "As shot" means "Cloudy", because the camera was set to "Cloudy".
Now, for some reason, Lightroom believes that the picture was shot with a manual settings of 5450K. I don't know why it believes so.
And thus, switching from "As shot" to "Cloudy" makes the picture warmer (although it should leave it unchanged), and switching to "Shadow" makes it even more warmer, far warmer that it should be at "cloudy" setting.
What I expect is that switching from "As shot" to "Cloudy" in the Lightroom would give the same colors as switching from "As shot" to "Cloudy" in Nikon's NEF convertor. And apparently it does not work this way.
As Andrew indicated, it often doesn't work "that way". I find that "Auto" frequently does better than the camera, which I leave also on Auto for casual shooting. <br /> <br />But I am also inclined to take a WB reading from one shot, see how it looks, and then use that for all pix in the same vicinity, time of day, etc. etc. <br /> <br /> <span style="color: rgb(102, 0, 204);">John "McPhotoman"</span> <font br="" /></font> color="#800000" size="2">~~ John McWilliams <br /> <br /> <br /> <br />MacBookPro 2 Ghz Intel Core Duo, G-5 Dual 1.8; <br />Canon DSLRs
Please perform a careful reading of Andrew Rodney's post. ACR and Lightroom use a *number* for the Kelvin value which should make the image look more or less correct. This has been pointed out by Thomas Knoll a number of times on the Camera Raw forum.