What is iPalette?
iPalette is an app for Mac OS X that displays color values for any color for use when doing graphics, designing a website, or developing the GUI for an app. The main purpose of iPalette is to give users quick access to color values but can also be used to get the right set of colors you are looking for.

Features
Drag colors from a color well and drop them into a text editor to quickly paste color values into your documents.
Click on a color value to copy it onto your clipboard.
The global window will always be on top of other non-global windows so you will always have access to your colors and their values no matter which editor is being used.
Add a palette to your favorites to use them at a later time.
Use shorthand hex values to save space in your stylesheets.
Set any color in your palette to the closest web-safe color.
Adjust your colors using a red, green, and blue slider.
Add colors by entering hex values.
Blend two colors together.
Capture colors on the screen.