Auto-apply color swatch?

[lemonparade4]

Here's the deal. I've just created a map with various county boundaries. I now need to fill in the counties with various shades of gray, with no two neighboring counties sharing the same shade. I've been going about it in a sort of trial and error fashion, but I can't ever seem to get it right. Is there a way that photoshop could possibly fill it in for me? Sort of an auto-swatch application thing?

Thanks.

 

[hawkeye]

No, but maybe you should post the image and maybe someone will come up with a solution.

 

[iDad]

that's funny I just made one also.. different colors though