Mixing chocolate paint depends on the type of paint you're using (e.g., acrylic, oil, edible) and the desired shade of chocolate. There isn't one single recipe. Here are several approaches:
Mixing Non-Edible Chocolate Paint
To achieve a milk chocolate brown, a simple method involves mixing red, black, and yellow paint. [Source](Reference mentioning Red, black and yellow mix) Alternatively, a mix of yellow and purple can also achieve a similar effect. [Source](Reference mentioning Red, black and yellow mix). For a darker brown, black and brown, or black and another dark color will work well. [Source: Quora]
More generally, achieving various shades of brown involves understanding color mixing principles. Mixing equal parts red, yellow, and blue – the primary colors – creates a brown. [Source: wikihow] Another approach uses orange and black; the black darkens the orange to produce brown. [Source: Michele Clamp Art]. Additionally, a green and red combination will also yield brown. [Source: Masterclass]
Example using acrylics: Start with a base of burnt umber or raw umber (pre-mixed brown paints). Gradually add small amounts of other colors such as red, yellow, or black until you achieve your desired chocolate hue. Too much black can result in a muddy, greyish color.
Mixing Edible Chocolate Paint
Edible chocolate paint creation differs significantly. One method involves combining melted cocoa butter with colored food dusts to create a thick paint-like consistency. [Source: Lindys Cakes Ltd] Some recipes might involve using cocoa powder or hot chocolate mix as a base, often incorporating baking soda to alter the consistency. [Source: Time for Play] Pre-made food coloring added to white chocolate candy melts also provides a simple edible chocolate paint option. [Source: A Side of Sweet].
Remember to always adhere to food safety guidelines when creating edible paints.