1 drop red & 2 drops yellow = Peach
2 drops red & 3 drops yellow = Orange
3 drops yellow & 1 drop green = Lime Green
4 drops yellow & 2 drops green = Leaf Green
4 drops blue & 1 drop green = Turquoise (Aqua)
5 drops red & 1 drop blue = Purple
7 drops red, 4 drops yellow & 2 drops green = Brown

By using Blair's four food colorings (red, blue, yellow and green) in the above listed number of drops, you may have many additional colors for your baking and decorating needs.