Running out of grey coloring is the worst! But fear not, because this is the ultimate tutorial on how to make brilliant grey food coloring.
Course: Dessert
Cuisine: American
Keyword: how to make grey food coloring, how to make the color grey, mixing black and white, what colors make gray
You can the same method to test the shade of grey when mixing black and blue, or primary and complementary colors. We would however recommend combining those colors directly into your batter or frosting to have a much more accurate representation of what it will come out as.
The reason we use a toothpick or wooden skewer instead of a spoon to mix the colors is because of the surface area. A spoon has a bigger surface area, meaning more coloring will sit on it instead of mixing with each other. Naturally, a toothpick has less surface area, meaning it will mix more than it holds on to. Yes, it will take longer to mix the colors, but it is worth it!