Universality of Colour-Emotion Associations

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Summary

This cross-cultural study found that color-emotion associations are largely universal but with small culture-specific variations, suggesting that color choices in lighting design can have broadly predictable emotional effects across populations. The relatively small country-specific difference (6.1%) implies that color-tunable lighting strategies aimed at mood support may be generalizable across diverse international settings.

Key Findings

Classifier accuracy was significantly above chance in decoding color terms from emotion ratings, demonstrating color-specific emotional associations across all four countries (China, Germany, Greece, UK).
Country-specific variation in color-emotion associations was detectable but small, with an in-group advantage of only 6.1%, indicating predominantly universal color-emotion links.
Machine learning (statistical classifier) successfully predicted country of origin from color-emotion association data, confirming measurable but minor cultural differences.