As an expert in the field of confectionery, I can tell you that the variety of colors for M&M's has evolved over time. Initially, M&M's were introduced with a limited color palette, but the range has expanded significantly. As of my last update, there are typically six main colors for the classic M&M's: red, orange, yellow, green, blue, and brown. However, special editions or limited-time offers may feature additional colors or color combinations. It's important to note that the availability of colors can vary by country and over time due to changes in production or special promotions.

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On average, the mix of each variety of M&Ms follows these color percentage breakdown: M&M'S Milk Chocolate: 30% brown, 20% yellow, 20% red, 10% orange, 10% green, and 10% blue. M&M'S Peanut: 20% brown, 20% yellow, 20% blue, and 20% red, 10% orange, and 10% green.read more >>