前回は補色・反転色(反対色)の一覧表を作ってみたけれど・・・ 補色や反転色の組み合わせでは、色によってはかえって差が乏しく見えにくく（中にはまったく見えなく）なってしまうケースがあることが分かった。 もっとも見やすい＝最もコントラストが高い、と言う事で考えると・・・ RGBの各要素ごとに、一番遠い側の値（「ff」か「00」）をとった色が、一番コントラストが強い配色と言う事になるかなと考えてみた。 つまり、どんな色でも最もコントラストが強くなるのは、以下の8色のどれかということに。
※「BLUE(#0000FF)」「LIME(#00FF00)」「RED(#FF0000)」「BLACK(#000000)」「WHITE(#FFFFFF)」「CYAN(#00FFFF)」「YELLOW(#FFFF00)」「MAGENTA(#FF00FF)」
（※中でも最もコントラストが強いのは白と黒の組み合わせになるわけですが。）
名前のついた色と、上記8色で一番コントラストが強くなる組み合わせを一覧表にしてみる
| black | white | ||
| dimgray | white | ||
| gray | black | ||
| darkgray | black | ||
| silver | black | ||
| lightgrey | black | ||
| gainsboro | black | ||
| whitesmoke | black | ||
| white | black | ||
| snow | black | ||
| ghostwhite | black | ||
| floralwhite | black | ||
| linen | black | ||
| antiquewhite | black | ||
| papayawhip | black | ||
| blanchedalmond | black | ||
| bisque | black | ||
| moccasin | black | ||
| navajowhite | black | ||
| peachpuff | black | ||
| mistyrose | black | ||
| lavenderblush | black | ||
| seashell | black | ||
| oldlace | black | ||
| ivory | black | ||
| honeydew | black | ||
| mintcream | black | ||
| azure | black | ||
| aliceblue | black | ||
| lavender | black | ||
| lightsteelblue | black | ||
| lightslategray | red | ||
| slategray | red | ||
| steelblue | red | ||
| royalblue | yellow | ||
| midnightblue | white | ||
| navy | yellow | ||
| darkblue | yellow | ||
| mediumblue | yellow | ||
| blue | yellow | ||
| dodgerblue | red | ||
| cornflowerblue | red | ||
| deepskyblue | red | ||
| lightskyblue | black | ||
| skyblue | black | ||
| lightblue | black | ||
| powderblue | black | ||
| paleturquoise | black | ||
| lightcyan | black | ||
| cyan | red | ||
| aqua | red | ||
| turquoise | red | ||
| mediumturquoise | red | ||
| darkturquoise | red | ||
| lightseagreen | red | ||
| cadetblue | red | ||
| darkcyan | red | ||
| teal | red | ||
| darkslategray | white | ||
| darkgreen | white | ||
| green | magenta | ||
| forestgreen | magenta | ||
| seagreen | magenta | ||
| mediumseagreen | magenta | ||
| mediumaquamarine | red | ||
| darkseagreen | black | ||
| aquamarine | red | ||
| palegreen | black | ||
| lightgreen | black | ||
| springgreen | magenta | ||
| mediumspringgreen | red | ||
| lawngreen | magenta | ||
| chartreuse | magenta | ||
| greenyellow | blue | ||
| lime | magenta | ||
| limegreen | magenta | ||
| yellowgreen | blue | ||
| darkolivegreen | white | ||
| olivedrab | magenta | ||
| olive | blue | ||
| darkkhaki | blue | ||
| palegoldenrod | black | ||
| cornsilk | black | ||
| beige | black | ||
| lightyellow | black | ||
| lightgoldenrodyellow | black | ||
| lemonchiffon | black | ||
| wheat | black | ||
| burlywood | black | ||
| tan | black | ||
| khaki | black | ||
| yellow | blue | ||
| gold | blue | ||
| orange | blue | ||
| sandybrown | blue | ||
| darkorange | blue | ||
| goldenrod | blue | ||
| peru | blue | ||
| darkgoldenrod | blue | ||
| chocolate | cyan | ||
| sienna | cyan | ||
| saddlebrown | cyan | ||
| maroon | cyan | ||
| darkred | cyan | ||
| brown | cyan | ||
| firebrick | cyan | ||
| indianred | cyan | ||
| rosybrown | black | ||
| darksalmon | blue | ||
| lightcoral | black | ||
| salmon | blue | ||
| lightsalmon | blue | ||
| coral | cyan | ||
| tomato | cyan | ||
| orangered | cyan | ||
| red | cyan | ||
| crimson | cyan | ||
| mediumvioletred | lime | ||
| deeppink | lime | ||
| hotpink | lime | ||
| palevioletred | lime | ||
| pink | black | ||
| lightpink | black | ||
| thistle | black | ||
| magenta | lime | ||
| fuchsia | lime | ||
| violet | black | ||
| plum | black | ||
| orchid | lime | ||
| mediumorchid | lime | ||
| darkorchid | lime | ||
| darkviolet | lime | ||
| darkmagenta | lime | ||
| purple | lime | ||
| indigo | yellow | ||
| darkslateblue | yellow | ||
| blueviolet | lime | ||
| mediumpurple | lime | ||
| slateblue | yellow | ||
| mediumslateblue | yellow |
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