14、HTML语言剖析之调色原理

  • 来源: 互联网 作者: rocket   2008-03-18/14:14
  • HTML 的颜色表示可分两种:
    以命名方式定义常用的颜色,如 RED。
    以 RGB 值表示,如 #FF0000 表示 red。
    命名方式涵括的色种不多亦不甚方便,较少采用,以下介绍 RGB 值的原理:

    众所皆知颜色是由 "red" "green" "blue" 三原色组合而成的,在 HTML 中对於彩度的定义是 采十六进位的,对於三原色 HTML 分别给予两个十六进位去定义,也就是每个原色可有 256 种彩度,故此三原色可混合成一千六佰多万的颜色。

    例如
    白色的组成是 red=ff, green=ff, blue=ff, RGB 值即为 ffffff
    红色的组成是 red=ff, green=00, blue=00, RGB 值即为 ff0000
    绿色的组成是 red=00, green=ff, blue=00, RGB 值即为 00ff00
    蓝色的组成是 red=00, green=00, blue=ff, RGB 值即为 0000ff
    黑色的组成是 red=00, green=00, blue=00, RGB 值即为 000000

    於应用时常在每个 RGB 值之前加上符号 # 以示分别,但不加亦可。

    ■ HTML 基本架构:
    选按不同颜色按键以测试前景颜色效果 (只适合 Internet Explorer)
                      
    选按不同颜色按键以测试背景颜色效果
                      
    或输入一个 RGB 颜色码或名称
          

    ■ 16 常用颜色表:
    Color Value Name   Color Value Name
      #00FFFF aqua     #808080 gray
      #000080 navy     #C0C0C0 silver
      #000000 black     #008000 green
      #808000 olive     #008080 teal
      #0000FF blue     #00FF00 lime
      #800080 purple     #FFFF00 yellow
      #FF00FF fuchsia     #800000 maroon
      #FF0000 red     #FFFFFF white

    ■ 其它常用颜色表:
    Color Value Name   Color Value Name
      #F0F8FF aliceblue     #A00000 antiquewith
      #7FFFD4 aquamarine     #F0FFFF azure
      #F5F5DC beige     #FFE4C4 bisque
      #000000 black     #FFEBCD blanchedalmond
      #0000FF blue     #8A2BE2 blueviolet
      #A52A2A brown     #DEB887 burlywood
      #5F9EA0 cadetblue     #7FFF00 chartreuse
      #D2691E chocolate     #FF7F50 coral
      #C0F000 cornfloewrblue     #FFF8DC cornsilk
      #00FFFF cyan     #00008B darkblue
      #008B8B darkcyan     #B8860B darkgoldenrod
      #A9A9A9 darkgray     #006400 darkgreen
      #DA0000 darkhaki     #8B008B darkmagenta
      #556B2F darkolivegreen     #DA000E darkorenge
      #9932CC darkorchid     #8B0000 darkred
      #E9967A darksalmon     #8FBC8F darkseagreen
      #483D8B darkslateblue     #2F4F4F darkslategray
      #00CED1 darkturquoise     #9400D3 darkviolet
      #FF1493 deeppink     #00BFFF deepskyblue
      #696969 dimgray     #1E90FF dodgerblue
      #B22222 firebrick     #FFFAF0 floralwhite
      #228B22 forestgreen     #DCDCDC gainsboro
      #00000E gostwhite     #FFD700 gold
      #00E00D golenrod     #808080 gray
      #008000 green     #ADFF2F greenyellow
      #F0FFF0 honeydew     #FF69B4 hotpink
      #CD5C5C indianred     #FFFFF0 ivory
      #F0E68C khaki     #E6E6FA lavender
      #FFF0F5 lavenderblush     #7CFC00 lawngreen
      #FFFACD lemonchiffon     #ADD8E6 lightblue
      #F08080 lightcoral     #E0FFFF lightcyan
      #0000E0 lightgodenrod     #0000E0 lightgodenrodyellow
      #0000A0 lightgray     #90EE90 lightgreen
      #FFB6C1 lightpink     #FFA07A lightsalmon
      #20B2AA lightseagreen     #87CEFA lightskyblue
      #0000EB lightslateblue     #778899 lightslategray
      #B0C4DE lightsteelblue     #FFFFE0 lightyellow
      #32CD32 limegreen     #FAF0E6 linen
      #FF00FF magenta     #800000 maroon
      #66CDAA mediumaquamarine     #0000CD mediumblue
      #BA55D3 mediumorchid     #ED0000 mediumpurpul
      #3CB371 mediumseagreen     #7B68EE mediumslateblue
      #00FA9A mediumspringgreen     #48D1CC mediumturquoise
      #C71585 mediumvioletred     #191970 midnightblue
      #F5FFFA mintcream     #FFE4E1 mistyrose
      #FFE4B5 moccasin     #FFDEAD navajowhite
      #000080 navy     #A0B0E0 navyblue
      #FDF5E6 oldlace     #6B8E23 olivedrab
      #FFA500 orange     #0E0EED orengered
      #DA70D6 orchid     #A00D00 palegodenrod
      #98FB98 palegreen     #AFEEEE paleturquoise
      #DB7093 palevioletred     #FFEFD5 papayawhip
      #FFDAB9 peachpuff     #CD853F peru
      #FFC0CB pink     #DDA0DD plum
      #B0E0E6 powderblue     #800080 purple
      #FF0000 red     #BC8F8F rosybrown
      #4169E1 royalblue     #8B4513 saddlebrown
      #FA8072 salmon     #F4A460 sandybrown
      #2E8B57 seagreen     #FFF5EE seashell
      #A0522D sienna     #87CEEB skyblue
      #6A5ACD slateblue     #708090 slategray
      #FFFAFA snow     #00FF7F springgreen
      #4682B4 steelblue     #D2B48C tan
      #D8BFD8 thistle     #FF6347 tomato
      #40E0D0 turquoise     #EE82EE violet
      #00E0ED violetred     #F5DEB3 wheat
      #000E00 hite     #F5F5F5 whitesmoke
      #FFFF00 yellow     #9ACD32 yellowgreen

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