ASCII Code
There are 147 named colors in HTML 4.01 and CSS 2.1 color specification. Sixteen of the colors derived from VGA specfifikationen and the rest from the X11 color name scheme. You can find all these color names listed below along with its hex and decimal value. Hexdecimal codes can be used in CSS and most graphics tools.

Basic Color Names

The HTML 4.01 specification defines sixteen basic named colors. These colors are originally used as the standard EGA color palette. The CSS 2.1 specification defines the same number of named colors but adds the 'orange' color name to the list.
Color Preview Color Name Hex Code Decimal Code
white#FFFFFF255,255,255
gray#808080128,128,128
silver#C0C0C0192,192,192
black#0000000,0,0
maroon#800000128,0,0
red #FF0000255,0,0
purple#800080128,0,128
fuchsia#FF00FF255,0,255
green#0080000,128,0
lime#00FF000,255,0
olive#808000128,128,0
yellow#FFFF00255,255,0
navy#0000800,0,128
blue#0000FF0,0,255
teal#0080800,128,128
aqua#00FFFF0,255,255
orange#FFA500255,165,0

X11 Color Names (W3C color names)

The following table display all the colors in the X11 color set that are accepted by browsers following W3C standards.
Color Preview Color Name Hex Code Decimal Code
Red color names
indianred#CD5C5C205,92,92
lightcoral#F08080240,128,128
salmon#FA8072250,128,114
darksalmon#E9967A233,150,122
lightsalmon#FFA07A255,160,122
crimson#DC143C220,20,60
red#FF0000255,0,0
firebrick#B22222178,34,34
darkred#8B0000139,0,0
Pink color names
pink#FFC0CB255,192,203
lightpink#FFB6C1255,182,193
hotpink#FF69B4255,105,180
deeppink#FF1493255,20,147
mediumvioletred#C71585199,21,133
palevioletred#DB7093219,112,147
Orange color names
lightsalmon#FFA07A255,160,122
coral#FF7F50255,127,80
tomato#FF6347255,99,71
orangered#FF4500255,69,0
darkorange#FF8C00255,140,0
orange#FFA500255,165,0
Yellow color names
gold#FFD700255,215,0
yellow#FFFF00255,255,0
lightyellow#FFFFE0255,255,224
lemonchiffon#FFFACD255,250,205
lightgoldenrodyellow#FAFAD2250,250,210
papayawhip#FFEFD5255,239,213
moccasin#FFE4B5255,228,181
peachpuff#FFDAB9255,218,185
palegoldenrod#EEE8AA238,232,170
khaki#F0E68C240,230,140
darkkhaki#BDB76B189,183,107
Purple color names
lavender#E6E6FA230,230,250
thistle#D8BFD8216,191,216
plum#DDA0DD221,160,221
violet#EE82EE238,130,238
orchid#DA70D6218,112,214
fuchsia#FF00FF255,0,255
magenta#FF00FF255,0,255
mediumorchid#BA55D3186,85,211
mediumpurple#9370DB147,112,219
blueviolet#8A2BE2138,43,226
darkviolet#9400D3148,0,211
darkorchid#9932CC153,50,204
darkmagenta#8B008B139,0,139
purple#800080128,0,128
indigo#4B008275,0,130
slateblue#6A5ACD106,90,205
darkslateblue#483D8B72,61,139
mediumslateblue#7B68EE123,104,238
Green color names
greenyellow#ADFF2F173,255,47
chartreuse#7FFF00127,255,0
lawngreen#7CFC00124,252,0
lime#00FF000,255,0
limegreen#32CD3250,205,50
palegreen#98FB98152,251,152
lightgreen#90EE90144,238,144
mediumspringgreen#00FA9A0,250,154
springgreen#00FF7F0,255,127
mediumseagreen#3CB37160,179,113
seagreen#2E8B5746,139,87
forestgreen#228B2234,139,34
green#0080000,128,0
darkgreen#0064000,100,0
yellowgreen#9ACD32154,205,50
olivedrab#6B8E23107,142,35
olive#808000128,128,0
darkolivegreen#556B2F85,107,47
mediumaquamarine#66CDAA102,205,170
darkseagreen#8FBC8F143,188,143
lightseagreen#20B2AA32,178,170
darkcyan#008B8B0,139,139
teal#0080800,128,128
Blue color names
aqua#00FFFF0,255,255
cyan#00FFFF0,255,255
lightcyan#E0FFFF224,255,255
paleturquoise#AFEEEE175,238,238
aquamarine#7FFFD4127,255,212
turquoise#40E0D064,224,208
mediumturquoise#48D1CC72,209,204
darkturquoise#00CED10,206,209
cadetblue#5F9EA095,158,160
steelblue#4682B470,130,180
lightsteelblue#B0C4DE176,196,222
powderblue#B0E0E6176,224,230
lightblue#ADD8E6173,216,230
skyblue#87CEEB135,206,235
lightskyblue#87CEFA135,206,250
deepskyblue#00BFFF0,191,255
dodgerblue#1E90FF30,144,255
cornflowerblue#6495ED100,149,237
mediumslateblue#7B68EE123,104,238
royalblue#4169E165,105,225
blue#0000FF0,0,255
mediumblue#0000CD0,0,205
darkblue#00008B0,0,139
navy#0000800,0,128
midnightblue#19197025,25,112
Brown color names
cornsilk#FFF8DC255,248,220
blanchedalmond#FFEBCD255,235,205
bisque#FFE4C4255,228,196
navajowhite#FFDEAD255,222,173
wheat#F5DEB3245,222,179
burlywood#DEB887222,184,135
tan#D2B48C210,180,140
rosybrown#BC8F8F188,143,143
sandybrown#F4A460244,164,96
goldenrod#DAA520218,165,32
darkgoldenrod#B8860B184,134,11
peru#CD853F205,133,63
chocolate#D2691E210,105,30
saddlebrown#8B4513139,69,19
sienna#A0522D160,82,45
brown#A52A2A165,42,42
maroon#800000128,0,0
White color names
white#FFFFFF255,255,255
snow#FFFAFA255,250,250
honeydew#F0FFF0240,255,240
mintcream#F5FFFA245,255,250
azure#F0FFFF240,255,255
aliceblue#F0F8FF240,248,255
ghostwhite#F8F8FF248,248,255
whitesmoke#F5F5F5245,245,245
seashell#FFF5EE255,245,238
beige#F5F5DC245,245,220
oldlace#FDF5E6253,245,230
floralwhite#FFFAF0255,250,240
ivory#FFFFF0255,255,240
antiquewhite#FAEBD7250,235,215
linen#FAF0E6250,240,230
lavenderblush#FFF0F5255,240,245
mistyrose#FFE4E1255,228,225
Grey color names
gainsboro#DCDCDC220,220,220
lightgrey#D3D3D3211,211,211
silver#C0C0C0192,192,192
darkgray#A9A9A9169,169,169
gray#808080128,128,128
dimgray#696969105,105,105
lightslategray#778899119,136,153
slategray#708090112,128,144
darkslategray#2F4F4F47,79,79
black#0000000,0,0

References

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