RichText alpha support?

I'm changing a text alpha, to make text apear smoothly, but aplha is not effect the text parts in color tags... Is there any way to make it work, hack or something?

 

You can use the CanvasGroup component whitch comes with a 0 to 1 alpha value for blending stuff in.
http://docs.unity3d.com/460/Documentation/Manual/class-CanvasGroup.html

 

Thanks