How do you make ivory icing for cake decoration?

To make ivory icing for cake decoration, start by preparing a batch of white buttercream or fondant. Then, gradually mix in a small amount of brown food coloring, followed by a tiny drop of yellow until you achieve the desired shade of ivory. It's essential to blend the colors thoroughly and adjust as needed, adding more brown or yellow in small increments to avoid darkening the icing too much. Once you reach the right hue, use it to decorate your cake as desired.