What does your favourite colour say about your personality? Not much

The claim that favourite colours reveal individuals’ personalities is popular in the media yet lacks scientific support. We assessed this two stages. First, we catalogued claims from six websites, and matched them to key Big Six/HEXACO trait terms, ultimately identifying 11 specific, systematic, testable predictions (e.g., higher Extraversion among those who prefer red, orange, yellow, pink, or turquoise). Next, tested these terms of Six personality scores reports least 323 French-speaking participants. For every prediction red-extraversion), compared between participants chose did not choose predicted colour using Welch’s t-tests. failed confirm any predictions. Further exploratory analyses (MANOVA) revealed no associations preferences trait. Favourite appear unrelated personality, failing support practical utility colour-based assessment.