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Posted on by Aleksandar Gichevski ()
HTML color codes are hexadecimal triplets that represent red, green and blue color. In this post I will explain the theory about HTML Color codes, how their format is created and which of them are defined in HTML and CSS color specification.

How HTML Color Codes are generated?

HTML color code format is symbol '#' and 6 letters or numbers. These numbers are written in hexadecimal numeric system. First 2 symbols represent the intensity of red color between 00 (which is least) and FF (most intense). Second 2 symbols (third na fourth) represent the intensity of green color while last 2 symbols (fifth and sixth) represent the intensity of blue color. Mixing these 3 basic colors we can create any color we need.

HTML Color Codes defined in HTML and CSS colors specification

There are 140 html color codes defined in HTML and CSS color specification, 17 of them are standard colors and 123 other colors. Standard HTML Colors Here is a list of all 17 including their color name and hex code.
Color Name HEX Color
Aqua #00FFFF  
Black #000000  
Blue #0000FF  
Fuchsia #FF00FF  
Gray #808080  
Green #008000  
Lime #00FF00  
Maroon #800000  
Navy #000080  
Olive #808000  
Orange #FFA500  
Purple #800080  
Red #FF0000  
Silver #C0C0C0  
Teal #008080  
White #FFFFFF  
Yellow #FFFF00  
Other HTML Colors Here is a list of all other colors that are defined in HTML and CSS color specification.
Color Name HEX Color
AliceBlue #F0F8FF  
AntiqueWhite #FAEBD7  
Aquamarine #7FFFD4  
Azure #F0FFFF  
Beige #F5F5DC  
Bisque #FFE4C4  
BlanchedAlmond #FFEBCD  
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 #8FBC8F  
DarkSlateBlue #483D8B  
DarkSlateGray #2F4F4F  
DarkTurquoise #00CED1  
DarkViolet #9400D3  
DeepPink #FF1493  
DeepSkyBlue #00BFFF  
DimGray #696969  
DodgerBlue #1E90FF  
FireBrick #B22222  
FloralWhite #FFFAF0  
ForestGreen #228B22  
Gainsboro #DCDCDC  
GhostWhite #F8F8FF  
Gold #FFD700  
GoldenRod #DAA520  
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  
LightGray #D3D3D3  
LightGreen #90EE90  
LightPink #FFB6C1  
LightSalmon #FFA07A  
LightSeaGreen #20B2AA  
LightSkyBlue #87CEFA  
LightSlateGray #778899  
LightSteelBlue #B0C4DE  
LightYellow #FFFFE0  
LimeGreen #32CD32  
Linen #FAF0E6  
Magenta #FF00FF  
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  
OldLace #FDF5E6  
OliveDrab #6B8E23  
OrangeRed #FF4500  
Orchid #DA70D6  
PaleGoldenRod #EEE8AA  
PaleGreen #98FB98  
PaleTurquoise #AFEEEE  
PaleVioletRed #DB7093  
PapayaWhip #FFEFD5  
PeachPuff #FFDAB9  
Peru #CD853F  
Pink #FFC0CB  
Plum #DDA0DD  
PowderBlue #B0E0E6  
RosyBrown #BC8F8F  
RoyalBlue #4169E1  
SaddleBrown #8B4513  
Salmon #FA8072  
SandyBrown #F4A460  
SeaGreen #2E8B57  
SeaShell #FFF5EE  
Sienna #A0522D  
SkyBlue #87CEEB  
SlateBlue #6A5ACD  
SlateGray #708090  
Snow #FFFAFA  
SpringGreen #00FF7F  
SteelBlue #4682B4  
Tan #D2B48C  
Thistle #D8BFD8  
Tomato #FF6347  
Turquoise #40E0D0  
Violet #EE82EE  
Wheat #F5DEB3  
WhiteSmoke #F5F5F5  
YellowGreen #9ACD32  

HTML Color Picker

Because we discussed about html colors in this post here is color picker where you can select the desired color and you will see the hexadecimal value.

Generate Random HTML Hex Color Code using PHP

Also here is a quick function for those that need to generate random html hex color.
function rand_color() {
    return sprintf('#%06X', mt_rand(0, 0xFFFFFF));
}
Above function generates number between 0x0 and 0xFFFFFF and converts it into hexadecimal

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