Dynamic change color of Marker?

I want use different colors of marker to represent different values of some information. Because the value of that information is a successive value, so I need many colors for marker, does anybody know how to set different color of the Marker to implement it? I don't want to use different icon with diffe开发者_如何转开发rent color, because it might need to many icon for marker.

Yes you can use StyledMarker or RichMarker from http://code.google.com/p/google-maps-utility-library-v3/wiki/Libraries