High visibility colored fabrics for normal trichromats and individuals with color vision defects in a sunset-simulated environment

Tatsuya Iizuka, Takushi Kawamorita, Hajime Tsuji, Hiroyuki Kanai, Toshihiro Hirai, Hiroo Suzuki, Tomoya Handa and Hitoshi Ishikawa

PLOS ONE, 2022, vol. 17, issue 9, 1-15

Abstract: This study aimed to investigate the visibility of colors in congenitally color vision defect people using general and fluorescent colors in an environment simulating sunset to examine the standards for high-visibility safety clothing for general users. Twenty participants with normal trichromats, seven protanopes, and five deuteranopes were included, with mean ages (± standard deviation) of 21.0±1.0, 46,7±16.1, and 56.6±6.9 years, respectively. Dyed fabrics were used to evaluate visibility. We evaluated brightness and conspicuousness sensitivity by combining red, yellow-red, yellow, green, red-purple, blue, white, black, fluorescent yellow, and fluorescent orange. For brightness sensitivity, the combination of fluorescent yellow and white/yellow stripes was highly visible and significantly different from all other samples (p

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0274824

DOI: 10.1371/journal.pone.0274824

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