An application to easily pick a color in Mac OS X and get the hex value

OS X comes with DigitalColor Meter:

Applications > Utilities > DigitalColor Meter.app

It has many options and preferences.

command+shift+c will copy the color under the cursor to the clipboard in many different formats.

The Mac OS X color picker is extensible.

Use Hex Color Picker to add a tab that provides you the configured color in hexadecimal RGB.

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Just run e.g. TextEdit and press Cmd-Shift-C to open the color picker, or run your standalone program.

An even more versatile color picker is Developer Color Picker with many different output formats, one of which is hexadecimal.

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This is easily done with AppleScript. A complete working example of code is available here.

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