border contrast

Japanese: border contrast（英語表記）bordercontrast

…When a piece of gray-white paper is large, the part that comes into contact with the black paper appears whiter than the central part, and when it comes into contact with the white paper, it appears blacker. This phenomenon is called border contrast. Also, if you look at a white piece of paper and then look at a black piece of paper, the black paper appears even blacker, and if you look at a black piece of paper and then look at a white piece of paper, the white paper appears even whiter. …

*Some terminology explanations that mention "border contrast" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…灰白色の紙が大きいときは，黒い紙と接する部分が中央の部分よりより白く見えるし，また白い紙と接する場合はより黒く見える。この現象を辺縁対比border contrastという。また，白い紙を見て次に黒い紙を見ると黒い紙はいっそう黒く見え，黒い紙を見て次に白い紙を見ると白い紙はいっそう白く見える。…

※「border contrast」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典第２版について | 情報

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