Hi, the color chosen by the eyedropper (foreground/background) is determined by which swatch is active in the color panel. The active swatch should have a black square around it. If all else fails, resetting the photoshop preferences might set things straight. Hold down the Shift+Alt+Ctrl keys while starting photoshop until you get a dialogue asking to delete the Photoshop settings file and click Yes. OR Go to Edit>Preferences>General > and rest photoshop preferences.
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