Rubber stamps and fondant

I've heard of people using rubber stamps on fondant, so I wanted to try one myself.  The first pic is how the rubber stamp looks before you add your icing.  The second is the finished product. I like the one on the right better. I need to find some flesh colored food color. I haven't been able to find any where I live.  The left cookie's face isn't good at all. I used pink diluted with some white, but it still isn't good.  The right one is done with a georgia peach color, but it is still too dark.