When mixing color always mix a small amount of color to experiment. Use pure white icing made with shortening instead of butter to get the richest colors. How To Make Two Toned Frosting Mixes Ingredients Recipes Cupcake Cakes Cupcake Cookies Cake Decorating Tips 4 Lemon Yellow 1 Leaf Green touch of black. . Colors of Frosting. The colors chosen were yellow blue and redrepeat. 05242018 at 801 am. You want the icing to be a thick glaze. Icing Colors are highly concentrated which gives frosting rich coloring without disturbing consistency. Adjust colors if wanted or. How do you color icing naturally. Creating Secondary Colors Mix two drops of blue food coloring together with two drops of red to make purple food coloring. If its a dry coloring like matcha turmeric or cocoa use 1-2 Tbsp. So now you have yellow green and blue. Separate a batch of royal icing into two bowls after mixing it. Youll