![]() ![]() As chroma increased under low-value conditions, color is a stress factor for men, this effect was more evident in the blue hue. Color–stress evaluation revealed that the higher chroma under high-value conditions, the more positive the stress emotion, and the lower the chroma under low-value conditions, the more negative the stress emotion. ln(LF) decreased as chroma increased under blue hue and high-value conditions in males. ![]() ln(LF) of males and females decreased as chroma increased under the green hue and low-value conditions RMSSD was reduced as chroma increased in the blue hue and low-value conditions. The effect of chroma on the HRV of males and females was verified, but the interaction effect between chroma and gender was not. The HRV of nine males and fifteen females was measured during exposure to 12 color stimuli with changes in chroma under green/blue hues and high/low-value conditions, and a stress assessment was performed. This study investigated how changing environmental color chroma affected heart rate variability (HRV) and stress. Environmental color stimulates human vision and affects stress levels. With increasing time spent indoors during the coronavirus disease pandemic, occupants are increasingly affected by indoor space environmental factors. Categorization of pleasantness, harmony, dynamism and spaciousness by factor analysis also showed differences between the achromatic and chromatic schemes. The office with the chromatic scheme was found to be more pleasant, attractive, satisfying and dynamic than the one with the achromatic scheme, whereas the achromatic scheme was thought to be more formal and harmonious. In terms of accuracy and time spent performance scores measured significantly better in the room with the chromatic scheme than those in the room with the achromatic scheme. The findings show that chroma significantly affects performance and space appraisal. Sixty participants were assigned tasks and given a questionnaire to appraise the spatial color schemes. ![]() ![]() The research was conducted in a full-scale experimental room designed as a private office where achromatic and chromatic color schemes with coequal values were applied. This study explores the effects of chroma on participants' performance and environmental appraisal of an office. ![]()
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