On the Internet each color has a numerical equivalent. By specifying the numerical value you can have the exact color you want. (Please note each monitor displays color slightly differently.)  

Name Value Color Black on White on
snow #fffafa   Black White
ghost white #f8f8ff   Black White
white smoke #f5f5f5   Black White
gainsboro #dcdcdc   Black White
floral white #fffaf0   Black White
old lace #fdf5e6   Black White
linen #faf0e6   Black White
antique white #faebd7   Black White
papaya whip #ffefd5   Black White
blanched almond #ffebcd   Black White
bisque #ffe4c4   Black White
peach puff #ffdab9   Black White
navajo white #ffdead   Black White
moccasin #ffe4b5   Black White
cornsilk #fff8dc   Black White
ivory #fffff0   Black White
lemon chiffon #fffacd   Black White
seashell #fff5ee   Black White
honeydew #f0fff0   Black White
mint cream #f5fffa   Black White
azure #f0ffff   Black White
alice blue #f0f8ff   Black White
lavender #e6e6fa   Black White
lavender blush #fff0f5   Black White
misty rose #ffe4e1   Black White
white #ffffff   Black White
dim gray #696969   Black White
slate gray #708090   Black White
light slate gray #778899   Black White
gray #bebebe   Black White
light grey #d3d3d3   Black White
cornflower blue #6495ed   Black White
slate blue #6a5acd   Black White
medium slate blue #7b68ee   Black White
light slate blue #8470ff   Black White
sky blue #87ceeb   Black White
light sky blue #87cefa   Black White
light steel blue #b0c4de   Black White
light blue #add8e6   Black White
powder blue #b0e0e6   Black White
pale turquoise #afeeee   Black White
light cyan #e0ffff   Black White
medium aquamarine #66cdaa   Black White
aquamarine #7fffd4   Black White
dark sea green #8fbc8f   Black White
pale green #98fb98   Black White
lawn green #7cfc00   Black White
chartreuse #7fff00   Black White
green yellow #adff2f   Black White
yellow green #9acd32   Black White
olive drab #6b8e23   Black White
dark khaki #bdb76b   Black White
khaki #f0e68c   Black White
pale goldenrod #eee8aa   Black White
light goldenrod yellow #fafad2   Black White
light yellow #ffffe0   Black White
yellow #ffff00   Black White
gold #ffd700   Black White
light goldenrod #eedd82   Black White
goldenrod #daa520   Black White
dark goldenrod #b8860b   Black White
rosy brown #bc8f8f   Black White
indian red #cd5c5c   Black White
saddle brown #8b4513   Black White
sienna #a0522d   Black White
peru #cd853f   Black White
burlywood #deb887   Black White
beige #f5f5dc   Black White
wheat #f5deb3   Black White
sandy brown #f4a460   Black White
tan #d2b48c   Black White
chocolate #d2691e   Black White
firebrick #b22222   Black White
brown #a52a2a   Black White
dark salmon #e9967a   Black White
salmon #fa8072   Black White
light salmon #ffa07a   Black White
orange #ffa500   Black White
dark orange #ff8c00   Black White
coral #ff7f50   Black White
light coral #f08080   Black White
tomato #ff6347   Black White
orange red #ff4500   Black White
red #ff0000   Black White
hot pink #ff69b4   Black White
deep pink #ff1493   Black White
pink #ffc0cb   Black White
light pink #ffb6c1   Black White
pale violet red #db7093   Black White
maroon #b03060   Black White
medium violet red #c71585   Black White
violet red #d02090   Black White
magenta #ff00ff   Black White
violet #ee82ee   Black White
plum #dda0dd   Black White
orchid #da70d6   Black White
medium orchid #ba55d3   Black White
dark orchid #9932cc   Black White
dark violet #9400d3   Black White
blue violet #8a2be2   Black White
purple #a020f0   Black White
medium purple #9370db   Black White
thistle #d8bfd8   Black White
snow1 #fffafa   Black White
snow2 #eee9e9   Black White
snow3 #cdc9c9   Black White
snow4 #8b8989   Black White
seashell1 #fff5ee   Black White
seashell2 #eee5de   Black White
seashell3 #cdc5bf   Black White
seashell4 #8b8682   Black White
AntiqueWhite1 #ffefdb   Black White
AntiqueWhite2 #eedfcc   Black White
AntiqueWhite3 #cdc0b0   Black White
AntiqueWhite4 #8b8378   Black White
bisque1 #ffe4c4   Black White
bisque2 #eed5b7   Black White
bisque3 #cdb79e   Black White
bisque4 #8b7d6b   Black White
PeachPuff1 #ffdab9   Black White
PeachPuff2 #eecbad   Black White
PeachPuff3 #cdaf95   Black White
PeachPuff4 #8b7765   Black White
NavajoWhite1 #ffdead   Black White
NavajoWhite2 #eecfa1   Black White
NavajoWhite3 #cdb38b   Black White
NavajoWhite4 #8b795e   Black White
LemonChiffon1 #fffacd   Black White
LemonChiffon2 #eee9bf   Black White
LemonChiffon3 #cdc9a5   Black White
LemonChiffon4 #8b8970   Black White
cornsilk1 #fff8dc   Black White
cornsilk2 #eee8cd   Black White
cornsilk3 #cdc8b1   Black White
cornsilk4 #8b8878   Black White
ivory1 #fffff0   Black White
ivory2 #eeeee0   Black White
ivory3 #cdcdc1   Black White
ivory4 #8b8b83   Black White
honeydew1 #f0fff0   Black White
honeydew2 #e0eee0   Black White
honeydew3 #c1cdc1   Black White
honeydew4 #838b83   Black White
LavenderBlush1 #fff0f5   Black White
LavenderBlush2 #eee0e5   Black White
LavenderBlush3 #cdc1c5   Black White
LavenderBlush4 #8b8386   Black White
MistyRose1 #ffe4e1   Black White
MistyRose2 #eed5d2   Black White
MistyRose3 #cdb7b5   Black White
MistyRose4 #8b7d7b   Black White
azure1 #f0ffff   Black White
azure2 #e0eeee   Black White
azure3 #c1cdcd   Black White
azure4 #838b8b   Black White
SlateBlue1 #836fff   Black White
SlateBlue2 #7a67ee   Black White
SlateBlue3 #6959cd   Black White
SkyBlue1 #87ceff   Black White
SkyBlue2 #7ec0ee   Black White
SkyBlue3 #6ca6cd   Black White
LightSkyBlue1 #b0e2ff   Black White
LightSkyBlue2 #a4d3ee   Black White
LightSkyBlue3 #8db6cd   Black White
SlateGray1 #c6e2ff   Black White
SlateGray2 #b9d3ee   Black White
SlateGray3 #9fb6cd   Black White
SlateGray4 #6c7b8b   Black White
LightSteelBlue1 #cae1ff   Black White
LightSteelBlue2 #bcd2ee   Black White
LightSteelBlue3 #a2b5cd   Black White
LightSteelBlue4 #6e7b8b   Black White
LightBlue1 #bfefff   Black White
LightBlue2 #b2dfee   Black White
LightBlue3 #9ac0cd   Black White
LightBlue4 #68838b   Black White
LightCyan1 #e0ffff   Black White
LightCyan2 #d1eeee   Black White
LightCyan3 #b4cdcd   Black White
LightCyan4 #7a8b8b   Black White
PaleTurquoise1 #bbffff   Black White
PaleTurquoise2 #aeeeee   Black White
PaleTurquoise3 #96cdcd   Black White
PaleTurquoise4 #668b8b   Black White
CadetBlue1 #98f5ff   Black White
CadetBlue2 #8ee5ee   Black White
CadetBlue3 #7ac5cd   Black White
DarkSlateGray1 #97ffff   Black White
DarkSlateGray2 #8deeee   Black White
DarkSlateGray3 #79cdcd   Black White
aquamarine1 #7fffd4   Black White
aquamarine2 #76eec6   Black White
aquamarine3 #66cdaa   Black White
DarkSeaGreen1 #c1ffc1   Black White
DarkSeaGreen2 #b4eeb4   Black White
DarkSeaGreen3 #9bcd9b   Black White
DarkSeaGreen4 #698b69   Black White
PaleGreen1 #9aff9a   Black White
PaleGreen2 #90ee90   Black White
PaleGreen3 #7ccd7c   Black White
chartreuse1 #7fff00   Black White
chartreuse2 #76ee00   Black White
chartreuse3 #66cd00   Black White
OliveDrab1 #c0ff3e   Black White
OliveDrab2 #b3ee3a   Black White
OliveDrab3 #9acd32   Black White
OliveDrab4 #698b22   Black White
DarkOliveGreen1 #caff70   Black White
DarkOliveGreen2 #bcee68   Black White
DarkOliveGreen3 #a2cd5a   Black White
DarkOliveGreen4 #6e8b3d   Black White
khaki1 #fff68f   Black White
khaki2 #eee685   Black White
khaki3 #cdc673   Black White
khaki4 #8b864e   Black White
LightGoldenrod1 #ffec8b   Black White
LightGoldenrod2 #eedc82   Black White
LightGoldenrod3 #cdbe70   Black White
LightGoldenrod4 #8b814c   Black White
LightYellow1 #ffffe0   Black White
LightYellow2 #eeeed1   Black White
LightYellow3 #cdcdb4   Black White
LightYellow4 #8b8b7a   Black White
yellow1 #ffff00   Black White
yellow2 #eeee00   Black White
yellow3 #cdcd00   Black White
yellow4 #8b8b00   Black White
gold1 #ffd700   Black White
gold2 #eec900   Black White
gold3 #cdad00   Black White
gold4 #8b7500   Black White
goldenrod1 #ffc125   Black White
goldenrod2 #eeb422   Black White
goldenrod3 #cd9b1d   Black White
goldenrod4 #8b6914   Black White
DarkGoldenrod1 #ffb90f   Black White
DarkGoldenrod2 #eead0e   Black White
DarkGoldenrod3 #cd950c   Black White
DarkGoldenrod4 #8b6508   Black White
RosyBrown1 #ffc1c1   Black White
RosyBrown2 #eeb4b4   Black White
RosyBrown3 #cd9b9b   Black White
RosyBrown4 #8b6969   Black White
IndianRed1 #ff6a6a   Black White
IndianRed2 #ee6363   Black White
IndianRed3 #cd5555   Black White
IndianRed4 #8b3a3a   Black White
sienna1 #ff8247   Black White
sienna2 #ee7942   Black White
sienna3 #cd6839   Black White
sienna4 #8b4726   Black White
burlywood1 #ffd39b   Black White
burlywood2 #eec591   Black White
burlywood3 #cdaa7d   Black White
burlywood4 #8b7355   Black White
wheat1 #ffe7ba   Black White
wheat2 #eed8ae   Black White
wheat3 #cdba96   Black White
wheat4 #8b7e66   Black White
tan1 #ffa54f   Black White
tan2 #ee9a49   Black White
tan3 #cd853f   Black White
tan4 #8b5a2b   Black White
chocolate1 #ff7f24   Black White
chocolate2 #ee7621   Black White
chocolate3 #cd661d   Black White
chocolate4 #8b4513   Black White
firebrick1 #ff3030   Black White
firebrick2 #ee2c2c   Black White
firebrick3 #cd2626   Black White
firebrick4 #8b1a1a   Black White
brown1 #ff4040   Black White
brown2 #ee3b3b   Black White
brown3 #cd3333   Black White
brown4 #8b2323   Black White
salmon1 #ff8c69   Black White
salmon2 #ee8262   Black White
salmon3 #cd7054   Black White
salmon4 #8b4c39   Black White
LightSalmon1 #ffa07a   Black White
LightSalmon2 #ee9572   Black White
LightSalmon3 #cd8162   Black White
LightSalmon4 #8b5742   Black White
orange1 #ffa500   Black White
orange2 #ee9a00   Black White
orange3 #cd8500   Black White
orange4 #8b5a00   Black White
DarkOrange1 #ff7f00   Black White
DarkOrange2 #ee7600   Black White
DarkOrange3 #cd6600   Black White
DarkOrange4 #8b4500   Black White
coral1 #ff7256   Black White
coral2 #ee6a50   Black White
coral3 #cd5b45   Black White
coral4 #8b3e2f   Black White
tomato1 #ff6347   Black White
tomato2 #ee5c42   Black White
tomato3 #cd4f39   Black White
tomato4 #8b3626   Black White
OrangeRed1 #ff4500   Black White
OrangeRed2 #ee4000   Black White
OrangeRed3 #cd3700   Black White
OrangeRed4 #8b2500   Black White
red1 #ff0000   Black White
red2 #ee0000   Black White
red3 #cd0000   Black White
red4 #8b0000   Black White
DeepPink1 #ff1493   Black White
DeepPink2 #ee1289   Black White
DeepPink3 #cd1076   Black White
DeepPink4 #8b0a50   Black White
HotPink1 #ff6eb4   Black White
HotPink2 #ee6aa7   Black White
HotPink3 #cd6090   Black White
HotPink4 #8b3a62   Black White
pink1 #ffb5c5   Black White
pink2 #eea9b8   Black White
pink3 #cd919e   Black White
pink4 #8b636c   Black White
LightPink1 #ffaeb9   Black White
LightPink2 #eea2ad   Black White
LightPink3 #cd8c95   Black White
LightPink4 #8b5f65   Black White
PaleVioletRed1 #ff82ab   Black White
PaleVioletRed2 #ee799f   Black White
PaleVioletRed3 #cd6889   Black White
PaleVioletRed4 #8b475d   Black White
maroon1 #ff34b3   Black White
maroon2 #ee30a7   Black White
maroon3 #cd2990   Black White
maroon4 #8b1c62   Black White
VioletRed1 #ff3e96   Black White
VioletRed2 #ee3a8c   Black White
VioletRed3 #cd3278   Black White
VioletRed4 #8b2252   Black White
magenta1 #ff00ff   Black White
magenta2 #ee00ee   Black White
magenta3 #cd00cd   Black White
magenta4 #8b008b   Black White
orchid1 #ff83fa   Black White
orchid2 #ee7ae9   Black White
orchid3 #cd69c9   Black White
orchid4 #8b4789   Black White
plum1 #ffbbff   Black White
plum2 #eeaeee   Black White
plum3 #cd96cd   Black White
plum4 #8b668b   Black White
MediumOrchid1 #e066ff   Black White
MediumOrchid2 #d15fee   Black White
MediumOrchid3 #b452cd   Black White
MediumOrchid4 #7a378b   Black White
DarkOrchid1 #bf3eff   Black White
DarkOrchid2 #b23aee   Black White
DarkOrchid3 #9a32cd   Black White
DarkOrchid4 #68228b   Black White
purple1 #9b30ff   Black White
purple2 #912cee   Black White
purple3 #7d26cd   Black White
MediumPurple1 #ab82ff   Black White
MediumPurple2 #9f79ee   Black White
MediumPurple3 #8968cd   Black White
thistle1 #ffe1ff   Black White
thistle2 #eed2ee   Black White
thistle3 #cdb5cd   Black White
thistle4 #8b7b8b   Black White
gray40 #666666   Black White
gray41 #696969   Black White
gray42 #6b6b6b   Black White
gray43 #6e6e6e   Black White
gray44 #707070   Black White
gray45 #737373   Black White
gray46 #757575   Black White
gray47 #787878   Black White
gray48 #7a7a7a   Black White
gray49 #7d7d7d   Black White
gray50 #7f7f7f   Black White
gray51 #828282   Black White
gray52 #858585   Black White
gray53 #878787   Black White
gray54 #8a8a8a   Black White
gray55 #8c8c8c   Black White
gray56 #8f8f8f   Black White
gray57 #919191   Black White
gray58 #949494   Black White
gray59 #969696   Black White
gray60 #999999   Black White
gray61 #9c9c9c   Black White
gray62 #9e9e9e   Black White
gray63 #a1a1a1   Black White
gray64 #a3a3a3   Black White
gray65 #a6a6a6   Black White
gray66 #a8a8a8   Black White
gray67 #ababab   Black White
gray68 #adadad   Black White
gray69 #b0b0b0   Black White
gray70 #b3b3b3   Black White
gray71 #b5b5b5   Black White
gray72 #b8b8b8   Black White
gray73 #bababa   Black White
gray74 #bdbdbd   Black White
gray75 #bfbfbf   Black White
gray76 #c2c2c2   Black White
gray77 #c4c4c4   Black White
gray78 #c7c7c7   Black White
gray79 #c9c9c9   Black White
gray80 #cccccc   Black White
gray81 #cfcfcf   Black White
gray82 #d1d1d1   Black White
gray83 #d4d4d4   Black White
gray84 #d6d6d6   Black White
gray85 #d9d9d9   Black White
gray86 #dbdbdb   Black White
gray87 #dedede   Black White
gray88 #e0e0e0   Black White
gray89 #e3e3e3   Black White
gray90 #e5e5e5   Black White
gray91 #e8e8e8   Black White
gray92 #ebebeb   Black White
gray93 #ededed   Black White
gray94 #f0f0f0   Black White
gray95 #f2f2f2   Black White
gray96 #f5f5f5   Black White
gray97 #f7f7f7   Black White
gray98 #fafafa   Black White
gray99 #fcfcfc   Black White
gray100 #ffffff   Black White
dark grey #a9a9a9   Black White
dark blue #00008b   Black White
dark cyan #008b8b   Black White
dark magenta #8b008b   Black White
dark red #8b0000   Black White
light green #90ee90   Black White