You can use `rgb:/rr/gg/bb/' where rr, gg and bb are the hexadecimal (00-FF) intensities of red, green and blue component, or any of the following symbolic names :
snow | MidnightBlue | MediumSpringGreen | red |
GhostWhite | navy | GreenYellow | HotPink |
WhiteSmoke | NavyBlue | LimeGreen | DeepPink |
gainsboro | CornflowerBlue | YellowGreen | pink |
FloralWhite | DarkSlateBlue | ForestGreen | LightPink |
OldLace | SlateBlue | OliveDrab | PaleVioletRed |
linen | MediumSlateBlue | DarkKhaki | maroon |
AntiqueWhite | LightSlateBlue | khaki | MediumVioletRed |
PapayaWhip | MediumBlue | PaleGoldenrod | VioletRed |
BlanchedAlmond | RoyalBlue | LightGoldenrodYellow | magenta |
bisque | blue | LightYellow | violet |
PeachPuff | DodgerBlue | yellow | plum |
NavajoWhite | DeepSkyBlue | gold | orchid |
moccasin | SkyBlue | LightGoldenrod | MediumOrchid |
cornsilk | LightSkyBlue | goldenrod | DarkOrchid |
ivory | SteelBlue | DarkGoldenrod | DarkViolet |
LemonChiffon | LightSteelBlue | RosyBrown | BlueViolet |
seashell | LightBlue | IndianRed | purple |
honeydew | PowderBlue | SaddleBrown | MediumPurple |
MintCream | PaleTurquoise | sienna | thistle |
azure | DarkTurquoise | peru | gray0 |
AliceBlue | MediumTurquoise | burlywood | grey0 |
lavender | turquoise | beige | DarkGrey |
LavenderBlush | cyan | wheat | DarkGray |
MistyRose | LightCyan | SandyBrown | DarkBlue |
white | CadetBlue | tan | DarkCyan |
black | MediumAquamarine | chocolate | DarkMagenta |
DarkSlateGray | aquamarine | firebrick | DarkRed |
DarkSlateGrey | DarkGreen | brown | LightGreen |
DimGray | DarkOliveGreen | DarkSalmon | |
DimGrey | DarkSeaGreen | salmon | |
SlateGray | SeaGreen | LightSalmon | |
SlateGrey | MediumSeaGreen | orange | |
LightSlateGray | LightSeaGreen | DarkOrange | |
LightSlateGrey | PaleGreen | coral | |
gray | SpringGreen | LightCoral | |
grey | LawnGreen | tomato | |
LightGrey | green | OrangeRed | |
LightGray | chartreuse | red | |