Below is a list of color numbers and the color names they translate to. I did not include things like "Button Highlight" because they are not actual color names and they usually duplicate actual color names.
000,000,000 - Black
000,000,128 - Navy
000,000,139 - Dark blue
000,000,205 - Medium blue
000,000,255 - Blue
000,100,000 - Dark green
000,102,204 - Hot track
000,128,000 - Green
000,128,128 - Teal
000,139,139 - Dark cyan
000,191,255 - Deep sky blue
000,206,209 - Dark turquoise
000,250,154 - Medium spring green
000,255,000 - Lime
000,255,127 - Spring green
000,255,255 - Aqua
000,255,255 - Cyan
025,025,112 - Midnight blue
030,144,255 - Dodger blue
032,178,170 - Light sea green
034,139,034 - Forest green
046,139,087 - Sea green
050,205,050 - Lime green
060,179,113 - Medium sea green
064,224,208 - Turquoise
065,105,225 - Royal brown
070,130,180 - Steel blue
072,061,139 - Dark slate blue
072,209,204 - Medium turquoise
075,000,130 - Indigo
085,107,047 - Dark olive green
095,158,160 - Cadet blue
100,149,237 - Cornflower blue
102,205,170 - Medium aquamarine
105,105,105 - Control Dark Dark
105,105,105 - Dim gray
106,090,205 - Slate blue
107,142,035 - Olive drab
109,109,109 - Gray text
112,128,144 - Slate gray
119,136,153 - Light slate gray
123,104,238 - Medium slate blue
124,252,000 - Lawn green
127,255,000 - Charteuse
127,255,212 - Aquamarine
128,000,000 - Maroon
128,000,128 - Purple
128,128,000 - Olive
128,128,128 - Gray
135,206,235 - Sky blue
135,206,250 - Light sky blue
138,043,226 - Blue violet
139,000,000 - Dark red
139,000,139 - Dark magenta
139,069,019 - Saddle brown
143,188,139 - Dark sea green
144,238,144 - Light green
147,112,219 - Medium purple
148,000,211 - Dark violet
152,251,152 - Pale green
153,050,204 - Dark orchid
154,205,050 - Yellow green
160,082,045 - Sienna
160,160,160 - Button Shadow
165,042,042 - Brown
169,169,169 - Dark gray
173,216,230 - Light blue
173,255,047 - Green yellow
175,238,238 - Pale turquoise
176,196,222 - Light steel blue
176,224,230 - Powder blue
178,034,034 - Firebrick
184,134,011 - Dark goldenrod
185,085,211 - Medium orchid
188,143,143 - Rosy brown
189,183,107 - Dark khaki
192,192,192 - Silver
199,021,133 - Medium violet red
205,092,092 - Indian red
205,133,063 - Peru
210,105,030 - Chocolate
210,180,140 - Tan
211,211,211 - Light gray
216,191,216 - Thistle
218,112,214 - Orchid
218,165,032 - Goldenrod
219,112,147 - Pale violet red
220,220,220 - Gainsboro
221,160,221 - Plum
222,184,135 - Burly Wood
224,255,255 - Light cyan
230,230,250 - Lavender
233,150,122 - Dark salmon
238,130,238 - Violet
238,232,170 - Pale goldenrod
240,128,128 - Light coral
240,230,140 - Khaki
240,240,240 - Button Face
240,240,240 - Control
240,248,256 - Alice Blue
240,255,240 - Honeydew
240,255,255 - Azure
245,222,179 - Wheat
245,245,220 - Beige
245,245,245 - White smoke
245,255,250 - Mint cream
248,248,255 - Ghost white
250,235,215 - Antique White
250,240,230 - Linen
250,250,210 - Light goldenrod yellow
253,245,230 - Old lace
255,000,000 - Red
255,000,255 - Fuchsia
255,000,255 - Magenta
255,020,147 - Deep pink
255,069,000 - Orange red
255,099,071 - Tomato
255,105,180 - Hot pink
255,127,080 - Coral
255,140,000 - Dark orange
255,160,122 - Light salmon
255,165,000 - Orange
255,182,193 - Light pink
255,192,203 - Pink
255,215,000 - Gold
255,218,185 - Peach puff
255,222,173 - Navajo white
255,228,181 - Moccasin
255,228,198 - Bisque
255,228,225 - Misty rose
255,235,205 - Blanched Almond
255,239,213 - Papaya whip
255,240,245 - Lavender blush
255,245,238 - Sea shell
255,248,220 - Cornsilk
255,250,205 - Lemon chiffon
255,250,240 - Floral white
255,250,250 - Snow
255,255,000 - Yellow
255,255,224 - Light yellow
255,255,225 - Info
255,255,240 - Ivory
255,255,255 - White