ColorNamePicker 1.4 for Mac was free to download from our application library. The program is included in Design & Photo Tools.
From the developer:
ColorNamePicker is a colorpicker that adds a name to your color.
You may want to check out more software for Mac, such as MultiTouchFlickrViewer, Photoshop 101 or Huygens Essential, which might be related to ColorNamePicker.