I would love a SIMPLE app that does noting more than allows you to point to a pixel and have the HTML color code copied to the clipboard or a field that you can copy from.

Simple:
-NOT an always loaded app (doesn't load at startup)
-Portable
-Simple, quick to use

I found "Instant Eyedropper" (http://instant-eyedropper.com/), but I hate how it has an installer (although prob. not really needed) and more importantly, it stays running in your system tray...

I DO like the magnifying glass functionality, which allows you to get just the right pixel though...