I'm still new to baking and decorating cakes and haven't been able to get dark brown fondant or icing. I used the wilton brown and wasnt able to get it dark enough, should I mix it with another color?

I gave up and just bought chocolate fondant.

I can never get a rich brown, so I buy it.

I haven't done this yet (but actually will be trying this weekend) supposedly if you make MMF out of the multi colored mini marshmallows it makes a nice flesh color..you might be able to get a brown out of that with gel coloring added. I'm going for a lighter brown, so not sure how dark it will make it, but you could try that.

To get a dark brown color, just use both red and black. I keep adding both colors to the fondant and kneading it until I get the desired shade. Good luck!

Use cocoa powder or some melted chocolate. If you are making it, sub some cocoa powder for some of the powdered sugar. It makes a beautiful dark brown color (if it's lighter than you want it, you can add a little of the brown gel color later) and it tastes really good. If the fondant is already made, melt some chocolate or candy melts (just a tablespoon or so) and knead that in with some powdered sugar. It helps get the color darker when used along with the gel colors and it doesn't mess with the texture as much as when you use only the gel colors. I hope this helps!

thank you all for your help!