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Shade-dependent responses show pastel tones engage the rest-and-digest system, lowering heart rate by 5–7 bpm. Vivid pinks arouse the arousal network, enhancing innovative thinking by nearly one-fifth.

Community perceptions reveal femininity connections developing from 1950s advertising. Cross-cultural analyses document Asian masculine iconography versus subcontinental welcoming practices.

Clinical uses include mental health facilities with one-third fewer violent incidents and neurodivergent children experiencing 22% longer focus.

Philosophical dilemmas arise regarding coercive space design through mandatory hue application in correctional facilities.