What is color psychology in UI?
Color psychology in UI is the study of how colors affect user feelings and actions.
Blue: Trust, calm (common in finance and healthcare apps).
Red: Urgency, attention, or error.
Green: Success, growth, or positive action.
Yellow/Orange: Energy and warmth—use sparingly to avoid fatigue.
Use color strategically to support your product’s tone and UX goals. This concept is part of emotional design, which we explore in this article on color systems.
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