Is there dye in brown M&M's? The Chemical Reality
                                
                                
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                                    3 min read                                
                            
                                According to laboratory experiments involving paper chromatography, the color of brown M&M's is not a single pigment but a blend of different dyes. This scientific fact directly addresses the common question: **is there dye in brown M&M's**? The answer, for the standard U.S. product, reveals a cocktail of artificial colorings.