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在HTML里，顏色有兩種表示方式。一種是用顏色名稱表示，比如blue表示藍(lán)色。另外一種是用16進(jìn)制的數(shù)值表示RGB的顏色值。RGB是Red，Green，Blue意思，RGB每個(gè)原色的最小值是0，最大值是255，如果換算成16進(jìn)制表示，就是(#00)，(#FF)。比如白色的RGB(255,255,255)，就用#FFFFFF表示；還有黑色的RGB(0,0,0)，就用#000000表示。
注：在W3C制定的HTML 4.0標(biāo)準(zhǔn)中，只有16種顏色可以用顏色名稱表示(aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive, purple, red, silver, teal, white, and yellow)，其它的顏色都要用16進(jìn)制RGB顏色值表示。
當(dāng)然，現(xiàn)在的瀏覽器支持更多的顏色名稱。不過為保險(xiǎn)起見，建議你還是采用16進(jìn)制RGB顏色值來表示顏色。并且在值前加上#這個(gè)符號(hào)。
為了方便大家找到合適的顏色，我們?cè)谶@里列了一些顏色說明，以供大家參考，不妨作為一種速查工具。
Web安全顏色
以前，很多電腦顯示器最多支持256色，因此出現(xiàn)了216種Web安全顏色，以保證網(wǎng)頁的顏色能夠正確顯示。
那為什么不是256種Web安全顏色呢？因?yàn)镸icrosoft和Mac操作系統(tǒng)有40種不同的系統(tǒng)保留顏色。
以下就是216種Web安全顏色：
| #000000 |
#000033 |
#000066 |
#000099 |
#0000CC |
#0000FF |
| #003300 |
#003333 |
#003366 |
#003399 |
#0033CC |
#0033FF |
| #006600 |
#006633 |
#006666 |
#006699 |
#0066CC |
#0066FF |
| #009900 |
#009933 |
#009966 |
#009999 |
#0099CC |
#0099FF |
| #00CC00 |
#00CC33 |
#00CC66 |
#00CC99 |
#00CCCC |
#00CCFF |
| #00FF00 |
#00FF33 |
#00FF66 |
#00FF99 |
#00FFCC |
#00FFFF |
| #330000 |
#330033 |
#330066 |
#330099 |
#3300CC |
#3300FF |
| #333300 |
#333333 |
#333366 |
#333399 |
#3333CC |
#3333FF |
| #336600 |
#336633 |
#336666 |
#336699 |
#3366CC |
#3366FF |
| #339900 |
#339933 |
#339966 |
#339999 |
#3399CC |
#3399FF |
| #33CC00 |
#33CC33 |
#33CC66 |
#33CC99 |
#33CCCC |
#33CCFF |
| #33FF00 |
#33FF33 |
#33FF66 |
#33FF99 |
#33FFCC |
#33FFFF |
| #660000 |
#660033 |
#660066 |
#660099 |
#6600CC |
#6600FF |
| #663300 |
#663333 |
#663366 |
#663399 |
#6633CC |
#6633FF |
| #666600 |
#666633 |
#666666 |
#666699 |
#6666CC |
#6666FF |
| #669900 |
#669933 |
#669966 |
#669999 |
#6699CC |
#6699FF |
| #66CC00 |
#66CC33 |
#66CC66 |
#66CC99 |
#66CCCC |
#66CCFF |
| #66FF00 |
#66FF33 |
#66FF66 |
#66FF99 |
#66FFCC |
#66FFFF |
| #990000 |
#990033 |
#990066 |
#990099 |
#9900CC |
#9900FF |
| #993300 |
#993333 |
#993366 |
#993399 |
#9933CC |
#9933FF |
| #996600 |
#996633 |
#996666 |
#996699 |
#9966CC |
#9966FF |
| #999900 |
#999933 |
#999966 |
#999999 |
#9999CC |
#9999FF |
| #99CC00 |
#99CC33 |
#99CC66 |
#99CC99 |
#99CCCC |
#99CCFF |
| #99FF00 |
#99FF33 |
#99FF66 |
#99FF99 |
#99FFCC |
#99FFFF |
| #CC0000 |
#CC0033 |
#CC0066 |
#CC0099 |
#CC00CC |
#CC00FF |
| #CC3300 |
#CC3333 |
#CC3366 |
#CC3399 |
#CC33CC |
#CC33FF |
| #CC6600 |
#CC6633 |
#CC6666 |
#CC6699 |
#CC66CC |
#CC66FF |
| #CC9900 |
#CC9933 |
#CC9966 |
#CC9999 |
#CC99CC |
#CC99FF |
| #CCCC00 |
#CCCC33 |
#CCCC66 |
#CCCC99 |
#CCCCCC |
#CCCCFF |
| #CCFF00 |
#CCFF33 |
#CCFF66 |
#CCFF99 |
#CCFFCC |
#CCFFFF |
| #FF0000 |
#FF0033 |
#FF0066 |
#FF0099 |
#FF00CC |
#FF00FF |
| #FF3300 |
#FF3333 |
#FF3366 |
#FF3399 |
#FF33CC |
#FF33FF |
| #FF6600 |
#FF6633 |
#FF6666 |
#FF6699 |
#FF66CC |
#FF66FF |
| #FF9900 |
#FF9933 |
#FF9966 |
#FF9999 |
#FF99CC |
#FF99FF |
| #FFCC00 |
#FFCC33 |
#FFCC66 |
#FFCC99 |
#FFCCCC |
#FFCCFF |
| #FFFF00 |
#FFFF33 |
#FFFF66 |
#FFFF99 |
#FFFFCC |
#FFFFFF |
微軟支持的顏色名稱
下面是微軟IE4.0以上都支持的顏色名稱：
aliceblue
(#F0F8FF) |
antiquewhite
(#FAEBD7) |
aqua
(#00FFFF) |
aquamarine
(#7FFFD4) |
azure
(#F0FFFF) |
beige
(#F5F5DC) |
bisque
(#FFE4C4) |
black
(#000000) |
blanchedalmond
(#FFEBCD) |
blue
(#0000FF) |
blueviolet
(#8A2BE2) |
brown
(#A52A2A) |
burlywood
(#DEB887) |
cadetblue
(#5F9EA0) |
chartreuse
(#7FFF00) |
chocolate
(#D2691E) |
coral
(#FF7F50) |
cornflowerblue
(#6495ED) |
cornsilk
(#FFF8DC) |
crimson
(#DC143C) |
cyan
(#00FFFF) |
darkblue
(#00008B) |
darkcyan
(#008B8B) |
darkgoldenrod
(#B8860B) |
darkgray
(#A9A9A9) |
darkgreen
(#006400) |
darkkhaki
(#BDB76B) |
darkmagenta
(#8B008B) |
darkolivegreen
(#556B2F) |
darkorange
(#FF8C00) |
darkorchid
(#9932CC) |
darkred
(#8B0000) |
darksalmon
(#E9967A) |
darkseagreen
(#8FBC8B) |
darkslateblue
(#483D8B) |
darkslategray
(#2F4F4F) |
darkturquoise
(#00CED1) |
darkviolet
(#9400D3) |
deeppink
(#FF1493) |
deepskyblue
(#00BFFF) |
dimgray
(#696969) |
dodgerblue
(#1E90FF) |
firebrick
(#B22222) |
floralwhite
(#FFFAF0) |
forestgreen
(#228B22) |
fuchsia
(#FF00FF) |
gainsboro
(#DCDCDC) |
ghostwhite
(#F8F8FF) |
gold
(#FFD700) |
goldenrod
(#DAA520) |
gray
(#808080) |
green
(#008000) |
greenyellow
(#ADFF2F) |
honeydew
(#F0FFF0) |
hotpink
(#FF69B4) |
indianred
(#CD5C5C) |
indigo
(#4B0082) |
ivory
(#FFFFF0) |
khaki
(#F0E68C) |
lavender
(#E6E6FA) |
lavenderblush
(#FFF0F5) |
lawngreen
(#7CFC00) |
lemonchiffon
(#FFFACD) |
lightblue
(#ADD8E6) |
lightcoral
(#F08080) |
lightcyan
(#E0FFFF) |
lightgoldenrodyellow
(#FAFAD2) |
lightgreen
(#90EE90) |
lightgrey
(#D3D3D3) |
lightpink
(#FFB6C1) |
lightsalmon
(#FFA07A) |
lightseagreen
(#20B2AA) |
lightskyblue
(#87CEFA) |
lightslategray
(#778899) |
lightsteelblue
(#B0C4DE) |
lightyellow
(#FFFFE0) |
lime
(#00FF00) |
limegreen
(#32CD32) |
linen
(#FAF0E6) |
magenta
(#FF00FF) |
maroon
(#800000) |
mediumaquamarine
(#66CDAA) |
mediumblue
(#0000CD) |
mediumorchid
(#BA55D3) |
mediumpurple
(#9370DB) |
mediumseagreen
(#3CB371) |
mediumslateblue
(#7B68EE) |
mediumspringgreen
(#00FA9A) |
mediumturquoise
(#48D1CC) |
mediumvioletred
(#C71585) |
midnightblue
(#191970) |
mintcream
(#F5FFFA) |
mistyrose
(#FFE4E1) |
moccasin
(#FFE4B5) |
navajowhite
(#FFDEAD) |
navy
(#000080) |
oldlace
(#FDF5E6) |
olive
(#808000) |
olivedrab
(#6B8E23) |
orange
(#FFA500) |
orangered
(#FF4500) |
orchid
(#DA70D6) |
palegoldenrod
(#EEE8AA) |
palegreen
(#98FB98) |
paleturquoise
(#AFEEEE) |
palevioletred
(#DB7093) |
papayawhip
(#FFEFD5) |
peachpuff
(#FFDAB9) |
peru
(#CD853F) |
pink
(#FFC0CB) |
plum
(#DDA0DD) |
powderblue
(#B0E0E6) |
purple
(#800080) |
red
(#FF0000) |
rosybrown
(#BC8F8F) |
royalblue
(#4169E1) |
saddlebrown
(#8B4513) |
salmon
(#FA8072) |
sandybrown
(#F4A460) |
seagreen
(#2E8B57) |
seashell
(#FFF5EE) |
sienna
(#A0522D) |
silver
(#C0C0C0) |
skyblue
(#87CEEB) |
slateblue
(#6A5ACD) |
slategray
(#708090) |
snow
(#FFFAFA) |
springgreen
(#00FF7F) |
steelblue
(#4682B4) |
tan
(#D2B48C) |
teal
(#008080) |
thistle
(#D8BFD8) |
tomato
(#FF6347) |
turquoise
(#40E0D0) |
violet
(#EE82EE) |
wheat
(#F5DEB3) |
white
(#FFFFFF) |
whitesmoke
(#F5F5F5) |
yellow
(#FFFF00) |
yellowgreen
(#9ACD32) |
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