Colori

alice blue – AliceBlue
antique white – AntiqueWhite – AntiqueWhite1 – AntiqueWhite2 – AntiqueWhite3 – AntiqueWhite4
aqua
aquamarine – aquamarine1 – aquamarine2 – aquamarine3 – aquamarine4
azure – azure1 – azure2 – azure3 – azure4
beige
bisque – bisque1 – bisque2 – bisque3 – bisque4
black
blanched almond – BlanchedAlmond
blue – blue1 – blue2 – blue3 – blue4
blue violet – BlueViolet
brown – brown1 – brown2 – brown3 – brown4
burlywood – burlywood1 – burlywood2 – burlywood3 – burlywood4
cadet blue – CadetBlue – CadetBlue1 – CadetBlue2 – CadetBlue3 – CadetBlue4
chartreuse – chartreuse1 – chartreuse2 – chartreuse3 – chartreuse4
chocolate – chocolate1- chocolate2 – chocolate3 – chocolate4
coral – coral1 – coral2 – coral3 – coral4
cornflower blue – CornflowerBlue
cornsilk – cornsilk1 – cornsilk2 – cornsilk3 – cornsilk4
crymson ?
cyan – cyan1 – cyan2 – cyan3 – cyan4
dark blue – DarkBlue
dark cyan – DarkCyan
dark goldenrod – DarkGoldenrod – DarkGoldenrod1 – DarkGoldenrod2 – DarkGoldenrod3 – DarkGoldenrod4
dark gray – dark grey – DarkGray – DarkGrey
dark green – DarkGreen
dark khaki – DarkKhaki
dark magenta – DarkMagenta
dark olive green – DarkOliveGreen – DarkOliveGreen1 – DarkOliveGreen2 – DarkOliveGreen3 – DarkOliveGreen4
dark orange – DarkOrange – DarkOrange1 – DarkOrange2 – DarkOrange3 – DarkOrange4
dark orchid – DarkOrchid – DarkOrchid1 – DarkOrchid2 – DarkOrchid3 – DarkOrchid4
dark red – DarkRed
dark salmon – DarkSalmon
dark sea green – DarkSeaGreen – DarkSeaGreen1 – DarkSeaGreen2 – DarkSeaGreen3 – DarkSeaGreen4
dark slate blue – DarkSlateBlue
dark slate gray – dark slate grey – DarkSlateGray – DarkSlateGray1 – DarkSlateGray2 – DarkSlateGray3 – DarkSlateGray4 – DarkSlateGrey
dark turquoise – DarkTurquoise
dark violet – DarkViolet
deep pink – DeepPink – DeepPink1 – DeepPink2 – DeepPink3 – DeepPink4
deep sky blue – DeepSkyBlue – DeepSkyBlue1 – DeepSkyBlue2 – DeepSkyBlue3 – DeepSkyBlue4
dim gray – dim grey – DimGray – DimGrey
dodger blue – DodgerBlue – DodgerBlue1 – DodgerBlue2 – DodgerBlue3 – DodgerBlue4
firebrick – firebrick1 – firebrick2 – firebrick3 – firebrick4
floral white – FloralWhite
forest green – ForestGreen
fuchsia
gainsboro
ghost white – GhostWhite
gold – gold1 – gold2 – gold3 – gold4
goldenrod – goldenrod1 – goldenrod2 – goldenrod3 – goldenrod4
gray – gray0 – gray1 – … – gray100 – grey – grey0 – grey1 – … – grey100
green – green1 – green2 – green3 – green4
green yellow – GreenYellow
honeydew – honeydew1 – honeydew2 – honeydew3 – honeydew4
hot pink – HotPink – HotPink1 – HotPink2 – HotPink3 – HotPink4
indian red – IndianRed – IndianRed1 – IndianRed2 – IndianRed3 – IndianRed4
indigo
ivory – ivory1 – ivory2 – ivory3 – ivory4
khaki – khaki1 – khaki2 – khaki3 – khaki4
lavender
lavender blush – LavenderBlush – LavenderBlush1 – LavenderBlush2 – LavenderBlush3 – LavenderBlush4
lawn green – LawnGreen
lemon chiffon – LemonChiffon – LemonChiffon1 – LemonChiffon2 – LemonChiffon3 – LemonChiffon4
light blue – LightBlue – LightBlue1 – LightBlue2 – LightBlue3 – LightBlue4
light coral – LightCoral
light cyan – LightCyan – LightCyan1 – LightCyan2 – LightCyan3 – LightCyan4
light goldenrod – LightGoldenrod – LightGoldenrod1 – LightGoldenrod2 – LightGoldenrod3 – LightGoldenrod4
light goldenrod yellow – LightGoldenrodYellow
light gray – light grey – LightGray – LightGrey
light green – LightGreen
light pink – LightPink
light salmon – LightSalmon – LightSalmon1 – LightSalmon2 – LightSalmon3 – LightSalmon4
light sea green – LightSeaGreen
light sky blue – LightSkyBlue – LightSkyBlue1 – LightSkyBlue2 – LightSkyBlue3 – LightSkyBlue4
light slate blue – LightSlateBlue
light slate gray – light slate grey – LightSlateGray – LightSlateGrey
light steel blue – LightSteelBlue – LightSteelBlue1 – LightSteelBlue2 – LightSteelBlue3 – LightSteelBlue4
light yellow – LightYellow – LightYellow1 – LightYellow2 – LightYellow3 – LightYellow4
lime
lime green – LimeGreen
linen
magenta – magenta1 – magenta2 – magenta3 – magenta4
maroon – maroon1 – maroon2 – maroon3 – maroon4
medium aquamarine
medium blue – MediumBlue
medium orchid – MediumOrchid – MediumOrchid1 – MediumOrchid2 – MediumOrchid3 – MediumOrchid4
medium purple – MediumPurple – MediumPurple1 – MediumPurple2 – MediumPurple3 – MediumPurple4
medium sea green – MediumSeaGreen
medium slate blue – MediumSlateBlue
medium spring green – MediumSpringGreen
medium turquoise – MediumTurquoise
medium violet red – MediumVioletRed
MediumAquamarine
midnight blue – MidnightBlue
mint cream – MintCream
misty rose – MistyRose – MistyRose1 – MistyRose2 – MistyRose3 – MistyRose4
moccasin
navajo white – NavajoWhite – NavajoWhite1 – NavajoWhite2 – NavajoWhite3 – NavajoWhite4
navy – navy blue – NavyBlue
old lace – OldLace
olive
olive drab – OliveDrab – OliveDrab1 – OliveDrab2 – OliveDrab3 – OliveDrab4
orange – orange1 – orange2 – orange3 – orange4
orange red – OrangeRed – OrangeRed1 – OrangeRed2 – OrangeRed3 – OrangeRed4
orchid – orchid1 – orchid2 – orchid3 – orchid4
pale goldenrod – PaleGoldenrod
pale green – PaleGreen – PaleGreen1 – PaleGreen2 – PaleGreen3 – PaleGreen4
pale turquoise – PaleTurquoise – PaleTurquoise1 – PaleTurquoise2 – PaleTurquoise3 – PaleTurquoise4
pale violet red – PaleVioletRed – PaleVioletRed1 – PaleVioletRed2 – PaleVioletRed3 – PaleVioletRed4
papaya whip – PapayaWhip
peach puff – PeachPuff – PeachPuff1 – PeachPuff2 – PeachPuff3 – PeachPuff4
peru
pink – pink1 – pink2 – pink3 – pink4
plum – plum1 – plum2 – plum3 – plum4
powder blue – PowderBlue
purple – purple1 – purple2 – purple3 – purple4
red – red1 – red2 – red3 – red4
rosy brown – RosyBrown – RosyBrown1 – RosyBrown2 – RosyBrown3 – RosyBrown4
royal blue – RoyalBlue – RoyalBlue1 – RoyalBlue2 – RoyalBlue3 – RoyalBlue4
saddle brown – SaddleBrown
salmon – salmon1 – salmon2 – salmon3 – salmon4
sandy brown – SandyBrown
sea green – SeaGreen – SeaGreen1 – SeaGreen2 – SeaGreen3 – SeaGreen4
seashell – seashell1 – seashell2 – seashell3 – seashell4
sienna – sienna1 – sienna2 – sienna3 – sienna4
silver
sky blue – SkyBlue – SkyBlue1 – SkyBlue2 – SkyBlue3 – SkyBlue4 – slate blue
slate gray – slate grey
SlateBlue – SlateBlue1 – SlateBlue2 – SlateBlue3 – SlateBlue4
SlateGray – SlateGray1 – SlateGray2 – SlateGray3 – SlateGray4 – SlateGrey
snow – snow1 – snow2 – snow3 – snow4
spring green – SpringGreen – SpringGreen1 – SpringGreen2 – SpringGreen3 – SpringGreen4
steel blue – SteelBlue – SteelBlue1 – SteelBlue2 – SteelBlue3 – SteelBlue4
tan – tan1 – tan2 – tan3 – tan4
teal
thistle – thistle1 – thistle2 – thistle3 – thistle4
tomato – tomato1 – tomato2 – tomato3 – tomato4
turquoise – turquoise1 – turquoise2 – turquoise3 – turquoise4
turquoiseblue
violet
violet red – VioletRed – VioletRed1 – VioletRed2 – VioletRed3 – VioletRed4
warmgrey
wheat – wheat1 – wheat2 – wheat3 – wheat4
white
white smoke – WhiteSmoke
yellow – yellow1 – yellow2 – yellow3 – yellow4
yellow green – YellowGreen

Accetta le iniziali maiuscole, lo spazio, …
Non è garantito che tutti i colori siano disponibili sulla tua piattaforma (???)
Elenco ufficiale: https://www.tcl.tk/man/tcl8.6/TkCmd/colors.html
Consulta: https://cs111.wellesley.edu/labs/lab02/colors