Wikipedia Colors (from their List of Colors). Browsers are not required to recognize any of the colors below, but if your browser accepts any of the colors below, they should be fairly close to the hex code in the third column. Colors on that list that are already in the 156 standard HTML colors will be omitted. Spaces have been removed from any color names that had them.

Color Name and Value Background Color Using Name Background Color Using Value
AlizarinCrimson, #E32636    
Amaranth, #E52B50    
Amber, #FFBF00    
Amethyst, #9966CC    
Asparagus, #7BA05B    
Azure, #007FFF    
Bistre, #3D2B1F    
BondiBlue, #0095B6    
Brass, #B5A642    
Brightgreen, #66FF00    
Brightturquoise, #08E8DE    
Brightviolet, #CD00CD    
Bronze, #CD7F32    
Buff, #F0DC82    
Burgundy, #900020    
BurntOrange, #CC5500    
BurntSienna, #E97451    
Burntumber, #8A3324    
Camouflagegreen, #78866B    
Cardinal, #C41E3A    
Carmine, #960018    
Carrot, #ED9121    
Celadon, #ACE1AF    
Cerise, #DE3163    
Cerulean, #007BA7    
Ceruleanblue, #2A52BE    
Chestnut, #CD5C5C    
Cinnamon, #7B3F00    
Cobalt, #0047AB    
Copper, #B87333    
Corn, #FBEC5D    
Cream, #FFFDD0    
Darkbrown, #654321    
Darkcerulean, #08457E    
Darkchestnut, #986960    
Darkcoral, #CD5B45    
DarkIndigo, #310062    
DarkOlive, #556832    
Darkpastelgreen, #03C03C    
DarkPeach, #FFDAB9    
Darkpink, #E75480    
DarkScarlet, #560319    
Darkspringgreen, #177245    
Darktan, #918151    
Darktangerine, #FFA812    
DarkTeaGreen, #BADBAD    
DarkTerracotta, #CC4E5C    
Denim, #1560BD    
Emerald, #50C878    
Eggplant, #990066    
Ferngreen, #4F7942    
Flax, #EEDC82    
Gamboge, #E49B0F    
Gray-asparagus, #465945    
Gray-TeaGreen, #CADABA    
Green-yellow, #ADFF2F    
Heliotrope, #DF73FF    
HollywoodCerise, #F400A1    
InternationalKleinBlue, #002FA7    
Internationalorange, #FF4F00    
Jade, #00A86B    
Lemon, #FDE910    
LemonCream, #FFFACD    
Lightbrown, #CD853F    
Lilac, #C8A2C8    
Malachite, #0BDA51    
Mauve, #E0B0FF    
MintGreen, #98FF98    
Mossgreen, #ADDFAD    
Mountbattenpink, #997A8D    
Mustard, #FFDB58    
Navyblue, #000080    
Ochre, #CC7722    
OldGold, #CFB53B    
PaleBlue, #AFEEEE    
Palebrown, #987654    
Palecarmine, #AF4035    
Palechestnut, #DDADAF    
Palecornflowerblue, #ABCDEF    
Palemagenta, #F984E5    
Palemauve, #996666    
Palepink, #FADADD    
Palered-violet, #DB7093    
PaleSandyBrown, #DABDAB    
Pastelgreen, #77DD77    
Pastelpink, #FFD1DC    
Peach, #FFE5B4    
Peach-orange, #FFCC99    
Peach-yellow, #FADFAD    
Pear, #D1E231    
Periwinkle, #CCCCFF    
Persianblue, #6600FF    
PineGreen, #01796F    
Pink-orange, #FF9966    
Puce, #CC8899    
Prussianblue, #003153    
Pumpkin, #FF7518    
Rawumber, #734A12    
Red-violet, #C71585    
Robineggblue, #00CCCC    
Russet, #80461B    
Rust, #B7410E    
SafetyOrange(BlazeOrange), #FF9900    
Saffron, #F4C430    
Sapphire, #082567    
Sangria, #92000A    
Scarlet, #FF2400    
Schoolbusyellow, #FFD800    
Selectiveyellow, #FFBA00    
Sepia, #704214    
Swampgreen, #ACB78E    
Taupe, #BC987E    
Tangerine, #FFCC00    
TeaGreen, #D0F0C0    
Tenn�, #CD5700    
Terracotta, #E2725B    
Ultramarine, #120A8F    
Vermilion, #FF4D00    
Violet-eggplant, #991199    
Viridian, #40826D    
Wisteria, #C9A0DC    
Zinnwaldite, #EBC2AF