In a stand mixer fitted with a paddle attachment beat the butter until light and fluffy, about 2 to 3 minutes.
Add the powdered sugar and blend on low speed until well blended, then increase the speed to medium and beat until fluffy, about another 3 to 5 minutes.
Add the vanilla and 1 tablespoon of almond milk. Continue to beat adding the additional tablespoon of almond milk, or more, if needed for spreading consistency.
Add the natural dye powders to color. If coloring a small amount start with 1 teaspoon for the fruit powders or 1/4 teaspoon for the matcha, spirulina and turmeric and increase to get desired color. To color a whole batch start with 2 tablespoons for the fruit powders, 1 tablespoon for the matcha and spirulina, and turmeric and increase for desired color.