While tritanopia is far more rare, it nonetheless rules out dependence on yellow-blue differentiation without secondary cues.
Secondary cues can consist of anything from the subtlety of gray scale differentiation to having a different graphic or different text label associated with each color presented.
//tritanopia 이건 청황색맹..
도움을 바랍니다..ㅠㅠ 보답은..감사인사..ㅠ
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