Fading from palette to palette

Is there some way of fading between palette selections? Let's say I select [Group] 1 [Color Palette] 1, but when I see it on stage, I realize I want [Color Palette] 2. Right now I can either fade out group 1, make the change, and fade back in, or else group 1 snaps to the new color. 

I was hoping to find some combination of: 

[Group] 1 [Color Palette] 2 [Time] 5 [Enter]
 

But nothing's worked so far. Does this feature exist?  

Related