The fire doesn't look at all natural (I recognize it's not a real fire... but, it's pretty bad). The red looks like hell fire, the natural orange has red and green flickers that are clearlt LEDs and just look awful.  The blue, purple, and green look consistent and good.  If you're wanting an electric fireplace that has a natural feel, this is not for you.  It is also a bit deeper than we thought.  The heater, though, is quite good, very warm to extremely warm and quiet.  We will be returning ours and trying again to try to find one that has a better natural feel (except when we want to set a mood with some colors).