posted this in VIP but as its freeware thought it might be handy here too..

Instant EyeDropper : Get Instant Color Identification On The Web (freeware)



Instant Eyedropper is a free software tool for webmasters that
will identify and automatically paste to the clipboard the HTML
color code of any pixel on the screen with just a single mouse click.
Webmasters may repeat this operation many times a day.
Just imagine how much time can be saved by using
Instant Eyedropper to do the same thing With a Single Click!

How To Use Instant EyeDropper?
1) Move the mouse pointer to the Instant Eyedropper icon in the system tray.



2) Press and hold the left mouse button and move the mouse pointer to the pixel whose color you want to identify.



3) Release the mouse button.The code will be automatically copy to clipboard.

That's it. The clipboard now contains the color code - in HTML format
(or any other format that you have previously specified).
Just open program or application like Notepad or HTML editor and press
Ctrl + V to see the color code.

http://instant-eyedropper.com/download/InstantEyedropper.exe

Only 420Kb