Actually, what I think you need is Illustrator's Gradient Mesh tool, which can create this sort of multi-point gradient. Let me see if I can whip up something for you.....Be back shortly..........

RosemaryR
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"This...this is magnificent!"
"Oh, yeah. Ooooo. Aaaaah. That's how it starts.
Then, later, there's ...running. And....screaming."