What's the most autistic color?

There is no color that is inherently autistic, as autism spectrum disorder is a neurodevelopmental difference that is not defined by a favorite color. The idea of an autistic color often comes from symbolism used in community awareness and advocacy. Historically, puzzle piece imagery used blue, and Light It Up Blue campaigns made blue widely associated with autism awareness, but many autistic self-advocates have moved away from that because it was not chosen by autistic people and was seen as too focused on boys. More recently, many autistic advocates prefer gold because the chemical symbol for gold is Au, or rainbow and infinity symbols to represent neurodiversity and the spectrum of experiences. Some people also use red for the #RedInstead movement. Color preferences themselves are individual, and research shows some autistic people may have strong preferences for specific colors due to sensory experiences, finding certain hues calming or overwhelming, but that is personal and not universal. If you are interested in supportive community symbols, looking to autistic-led organizations can provide more context.