How Do You Make Blue Colored Icing

How to Make Blue Frosting. To make light blue frosting, mix ½ container of vanilla frosting with 1/8 teaspoon of blue gel. To make medium blue frosting, mix ½ container of vanilla frosting with ¼ teaspoon of blue gel. To make blue frosting, mix ½ container of vanilla frosting with 1 teaspoon of blue gel.

What Colours make blue icing?

For every half cup of frosting add three drops royal blue, three drops violet and one small drop black. This will allow you to achieve a navy blue color in your buttercream frosting.

What food coloring makes blue?

Red cabbage contains anthocyanin, a purplish pigment that will dissolve in water. You can collect purple cabbage water to turn it into blue food coloring.