Are you trying to dye a buttercream? I'll be the first to admit that I buy pre made red and black icing... Be careful how much dye you add, let it sit for a while.. the color comes out after time. My first attempt ended up maroon after a few hours.
Americolor True Red! It takes very little, and it darkens slightly after just a short while.
I did have to use a whole bottle of americolor red to get elmo fur red.....
I suggest not using Wilton colors for a true red There are good Americolor reds and CK (I think that's the name of the brand).
Other than using a more "saturated" brand of color, I always mix the color to the icing to very dark pink and let it set overnight - the color will deepen to red.
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