Color is one of the most important factors in children's visual recognition.Based on PDA theory,Test-retest method was used to test the color emotion of 84 children aged 6-8 years in this study,and the relationship between color,pleasure,arousal and children's psychology were analyzed.The results showed that the stimuli of different dimensions of color had an impact on children's emotional state,and there was an interaction relationship.Saturation had a greater impact on degree of pleasure,and lighteness had a greater impact on degree of arousal.Only in the case of high saturation and high lighteness,the cool tone has a high degree of pleasure.When the lighteness was high,the saturation had a greater impact on mood,while when the lighteness was low,the impact was smalls.When the saturation was low,the change of lighteness had little significant effect on emotion.In this study,children's color cognitive psychology is researched with the help of the children's application interface,and the effects of multiple factors and their interactions on the experimental results are explained,realizing the perceptual consistency.
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