256 colors
Color names ending with 1 can be used in HTML (without the number). ie: background-color: springgreen
body {
color: SpringGreen;
}
X server (and its resources) understands all of these color names (numbers included). See 'xcolors(1)' in your favorite distribution.
XTerm*foreground : SpringGreen3
Black #000000
Maroon #800000
Green #008000
Olive #808000
Navy #000080
Purple #800080
Teal #008080
Silver #c0c0c0
Grey #808080
Red #ff0000
Lime #00ff00
Yellow #ffff00
Blue #0000ff
Fuchsia #ff00ff
Aqua #00ffff
White #ffffff
Grey0 #000000
NavyBlue #00005f
DarkBlue #000087
Blue3 #0000af
Blue3 #0000d7
Blue1 #0000ff
DarkGreen #005f00
DeepSkyBlue4 #005f5f
DeepSkyBlue4 #005f87
DeepSkyBlue4 #005faf
DodgerBlue3 #005fd7
DodgerBlue2 #005fff
Green4 #008700
SpringGreen4 #00875f
Turquoise4 #008787
DeepSkyBlue3 #0087af
DeepSkyBlue3 #0087d7
DodgerBlue1 #0087ff
Green3 #00af00
SpringGreen3 #00af5f
DarkCyan #00af87
LightSeaGreen #00afaf
DeepSkyBlue2 #00afd7
DeepSkyBlue1 #00afff
Green3 #00d700
SpringGreen3 #00d75f
SpringGreen2 #00d787
Cyan3 #00d7af
DarkTurquoise #00d7d7
Turquoise2 #00d7ff
Green1 #00ff00
SpringGreen2 #00ff5f
SpringGreen1 #00ff87
MediumSpringGreen #00ffaf
Cyan2 #00ffd7
Cyan1 #00ffff
DarkRed #5f0000
DeepPink4 #5f005f
Purple4 #5f0087
Purple4 #5f00af
Purple3 #5f00d7
BlueViolet #5f00ff
Orange4 #5f5f00
Grey37 #5f5f5f
MediumPurple4 #5f5f87
SlateBlue3 #5f5faf
SlateBlue3 #5f5fd7
RoyalBlue1 #5f5fff
Chartreuse4 #5f8700
DarkSeaGreen4 #5f875f
PaleTurquoise4 #5f8787
SteelBlue #5f87af
SteelBlue3 #5f87d7
CornflowerBlue #5f87ff
Chartreuse3 #5faf00
DarkSeaGreen4 #5faf5f
CadetBlue #5faf87
CadetBlue #5fafaf
SkyBlue3 #5fafd7
SteelBlue1 #5fafff
Chartreuse3 #5fd700
PaleGreen3 #5fd75f
SeaGreen3 #5fd787
Aquamarine3 #5fd7af
MediumTurquoise #5fd7d7
SteelBlue1 #5fd7ff
Chartreuse2 #5fff00
SeaGreen2 #5fff5f
SeaGreen1 #5fff87
SeaGreen1 #5fffaf
Aquamarine1 #5fffd7
DarkSlateGray2 #5fffff
DarkRed #870000
DeepPink4 #87005f
DarkMagenta #870087
DarkMagenta #8700af
DarkViolet #8700d7
Purple #8700ff
Orange4 #875f00
LightPink4 #875f5f
Plum4 #875f87
MediumPurple3 #875faf
MediumPurple3 #875fd7
SlateBlue1 #875fff
Yellow4 #878700
Wheat4 #87875f
Grey53 #878787
LightSlateGrey #8787af
MediumPurple #8787d7
LightSlateBlue #8787ff
Yellow4 #87af00
DarkOliveGreen3 #87af5f
DarkSeaGreen #87af87
LightSkyBlue3 #87afaf
LightSkyBlue3 #87afd7
SkyBlue2 #87afff
Chartreuse2 #87d700
DarkOliveGreen3 #87d75f
PaleGreen3 #87d787
DarkSeaGreen3 #87d7af
DarkSlateGray3 #87d7d7
SkyBlue1 #87d7ff
Chartreuse1 #87ff00
LightGreen #87ff5f
LightGreen #87ff87
PaleGreen1 #87ffaf
Aquamarine1 #87ffd7
DarkSlateGray1 #87ffff
Red3 #af0000
DeepPink4 #af005f
MediumVioletRed #af0087
Magenta3 #af00af
DarkViolet #af00d7
Purple #af00ff
DarkOrange3 #af5f00
IndianRed #af5f5f
HotPink3 #af5f87
MediumOrchid3 #af5faf
MediumOrchid #af5fd7
MediumPurple2 #af5fff
DarkGoldenrod #af8700
LightSalmon3 #af875f
RosyBrown #af8787
Grey63 #af87af
MediumPurple2 #af87d7
MediumPurple1 #af87ff
Gold3 #afaf00
DarkKhaki #afaf5f
NavajoWhite3 #afaf87
Grey69 #afafaf
LightSteelBlue3 #afafd7
LightSteelBlue #afafff
Yellow3 #afd700
DarkOliveGreen3 #afd75f
DarkSeaGreen3 #afd787
DarkSeaGreen2 #afd7af
LightCyan3 #afd7d7
LightSkyBlue1 #afd7ff
GreenYellow #afff00
DarkOliveGreen2 #afff5f
PaleGreen1 #afff87
DarkSeaGreen2 #afffaf
DarkSeaGreen1 #afffd7
PaleTurquoise1 #afffff
Red3 #d70000
DeepPink3 #d7005f
DeepPink3 #d70087
Magenta3 #d700af
Magenta3 #d700d7
Magenta2 #d700ff
DarkOrange3 #d75f00
IndianRed #d75f5f
HotPink3 #d75f87
HotPink2 #d75faf
Orchid #d75fd7
MediumOrchid1 #d75fff
Orange3 #d78700
LightSalmon3 #d7875f
LightPink3 #d78787
Pink3 #d787af
Plum3 #d787d7
Violet #d787ff
Gold3 #d7af00
LightGoldenrod3 #d7af5f
Tan #d7af87
MistyRose3 #d7afaf
Thistle3 #d7afd7
Plum2 #d7afff
Yellow3 #d7d700
Khaki3 #d7d75f
LightGoldenrod2 #d7d787
LightYellow3 #d7d7af
Grey84 #d7d7d7
LightSteelBlue1 #d7d7ff
Yellow2 #d7ff00
DarkOliveGreen1 #d7ff5f
DarkOliveGreen1 #d7ff87
DarkSeaGreen1 #d7ffaf
Honeydew2 #d7ffd7
LightCyan1 #d7ffff
Red1 #ff0000
DeepPink2 #ff005f
DeepPink1 #ff0087
DeepPink1 #ff00af
Magenta2 #ff00d7
Magenta1 #ff00ff
OrangeRed1 #ff5f00
IndianRed1 #ff5f5f
IndianRed1 #ff5f87
HotPink #ff5faf
HotPink #ff5fd7
MediumOrchid1 #ff5fff
DarkOrange #ff8700
Salmon1 #ff875f
LightCoral #ff8787
PaleVioletRed1 #ff87af
Orchid2 #ff87d7
Orchid1 #ff87ff
Orange1 #ffaf00
SandyBrown #ffaf5f
LightSalmon1 #ffaf87
LightPink1 #ffafaf
Pink1 #ffafd7
Plum1 #ffafff
Gold1 #ffd700
LightGoldenrod2 #ffd75f
LightGoldenrod2 #ffd787
NavajoWhite1 #ffd7af
MistyRose1 #ffd7d7
Thistle1 #ffd7ff
Yellow1 #ffff00
LightGoldenrod1 #ffff5f
Khaki1 #ffff87
Wheat1 #ffffaf
Cornsilk1 #ffffd7
Grey100 #ffffff
Grey3 #080808
Grey7 #121212
Grey11 #1c1c1c
Grey15 #262626
Grey19 #303030
Grey23 #3a3a3a
Grey27 #444444
Grey30 #4e4e4e
Grey35 #585858
Grey39 #626262
Grey42 #6c6c6c
Grey46 #767676
Grey50 #808080
Grey54 #8a8a8a
Grey58 #949494
Grey62 #9e9e9e
Grey66 #a8a8a8
Grey70 #b2b2b2
Grey74 #bcbcbc
Grey78 #c6c6c6
Grey82 #d0d0d0
Grey85 #dadada
Grey89 #e4e4e4
Grey93 #eeeeee
tandy colors
#000000
#555555
#0000AA
#5555FF
#00AA00
#55FF55
#00AAAA
#55FFFF
#AA0000
#FF5555
#AA00AA
#FF55FF
#AA5500
#FFFF55
#AAAAAA
#FFFFFF
1bit monochrome
#000000
#FFFFFF
2bit grayscale
#000000
#686868
#b8b8b8
#FFFFFF
4bit grayscale
#000000
#111111
#222222
#333333
#444444
#555555
#666666
#777777
#888888
#aaaaaa
#bbbbbb
#cccccc
#dddddd
#eeeeee
#ffffff