Convert RGB To Color Name Lambda

RGBtoColorName.lambda

/*
Name:  Convert RGB to Color Name (RGBtoColorName)
Description:  Converts RGB integers to nearest color name in a table of 139 colors.
Parameters:
   r - Red RGB Integer
   g - Green RGB Integer
   b - Blue RGB Integer
Source:  Written By Excel Robot (@ExcelRobot), converted from https://gist.github.com/XiaoxiaoLi/8031146
*/
RGBtoColorName =LAMBDA(r, g, b, LET(
   \\LambdaName, "RGBtoColorName",
   \\CommandName, "Convert RGB to Color Name",
   \\Description, "Converts RGB integers to nearest color name in a table of 139 colors.",
   \\Parameters, {
      "r","Red RGB Integer";
      "g","Green RGB Integer";
      "b","Blue RGB Integer"
      },
   \\Source, "Excel Robot (@ExcelRobot), converted from https://gist.github.com/XiaoxiaoLi/8031146",
   _ColorTable, {
      "AliceBlue","240","248","255";
      "AntiqueWhite","250","235","215";
      "Aqua","0","255","255";
      "Aquamarine","127","255","212";
      "Azure","240","255","255";
      "Beige","245","245","220";
      "Bisque","255","228","196";
      "Black","0","0","0";
      "BlanchedAlmond","255","235","205";
      "Blue","0","0","255";
      "BlueViolet","138","43","226";
      "Brown","165","42","42";
      "BurlyWood","222","184","135";
      "CadetBlue","95","158","160";
      "Chartreuse","127","255","0";
      "Chocolate","210","105","30";
      "Coral","255","127","80";
      "CornflowerBlue","100","149","237";
      "Cornsilk","255","248","220";
      "Crimson","220","20","60";
      "Cyan","0","255","255";
      "DarkBlue","0","0","139";
      "DarkCyan","0","139","139";
      "DarkGoldenRod","184","134","11";
      "DarkGray","169","169","169";
      "DarkGreen","0","100","0";
      "DarkKhaki","189","183","107";
      "DarkMagenta","139","0","139";
      "DarkOliveGreen","85","107","47";
      "DarkOrange","255","140","0";
      "DarkOrchid","153","50","204";
      "DarkRed","139","0","0";
      "DarkSalmon","233","150","122";
      "DarkSeaGreen","143","188","143";
      "DarkSlateBlue","72","61","139";
      "DarkSlateGray","47","79","79";
      "DarkTurquoise","0","206","209";
      "DarkViolet","148","0","211";
      "DeepPink","255","20","147";
      "DeepSkyBlue","0","191","255";
      "DimGray","105","105","105";
      "DodgerBlue","30","144","255";
      "FireBrick","178","34","34";
      "FloralWhite","255","250","240";
      "ForestGreen","34","139","34";
      "Fuchsia","255","0","255";
      "Gainsboro","220","220","220";
      "GhostWhite","248","248","255";
      "Gold","255","215","0";
      "GoldenRod","218","165","32";
      "Gray","128","128","128";
      "Green","0","128","0";
      "GreenYellow","173","255","47";
      "HoneyDew","240","255","240";
      "IndianRed"," 205"," 92"," 92";
      "Indigo"," 75"," 0"," 130";
      "Ivory"," 255"," 255"," 240";
      "Khaki"," 240"," 230"," 140";
      "Lavender"," 230"," 230"," 250";
      "LavenderBlush"," 255"," 240"," 245";
      "LawnGreen"," 124"," 252"," 0";
      "LemonChiffon"," 255"," 250"," 205";
      "LightBlue"," 173"," 216"," 230";
      "LightCoral"," 240"," 128"," 128";
      "LightCyan"," 224"," 255"," 255";
      "LightGoldenRodYellow"," 250"," 250"," 210";
      "LightGray"," 211"," 211"," 211";
      "LightGreen"," 144"," 238"," 144";
      "LightPink"," 255"," 182"," 193";
      "LightSalmon"," 255"," 160"," 122";
      "LightSeaGreen"," 32"," 178"," 170";
      "LightSkyBlue"," 135"," 206"," 250";
      "LightSlateGray"," 119"," 136"," 153";
      "LightSteelBlue"," 176"," 196"," 222";
      "LightYellow"," 255"," 255"," 224";
      "Lime"," 0"," 255"," 0";
      "LimeGreen"," 50"," 205"," 50";
      "Linen"," 250"," 240"," 230";
      "Magenta"," 255"," 0"," 255";
      "Maroon"," 128"," 0"," 0";
      "MediumAquaMarine"," 102"," 205"," 170";
      "MediumBlue"," 0"," 0"," 205";
      "MediumOrchid"," 186"," 85"," 211";
      "MediumPurple"," 147"," 112"," 219";
      "MediumSeaGreen"," 60"," 179"," 113";
      "MediumSlateBlue"," 123"," 104"," 238";
      "MediumSpringGreen"," 0"," 250"," 154";
      "MediumTurquoise"," 72"," 209"," 204";
      "MediumVioletRed"," 199"," 21"," 133";
      "MidnightBlue"," 25"," 25"," 112";
      "MintCream"," 245"," 255"," 250";
      "MistyRose"," 255"," 228"," 225";
      "Moccasin"," 255"," 228"," 181";
      "NavajoWhite"," 255"," 222"," 173";
      "Navy"," 0"," 0"," 128";
      "OldLace"," 253"," 245"," 230";
      "Olive"," 128"," 128"," 0";
      "OliveDrab"," 107"," 142"," 35";
      "Orange"," 255"," 165"," 0";
      "OrangeRed"," 255"," 69"," 0";
      "Orchid"," 218"," 112"," 214";
      "PaleGoldenRod"," 238"," 232"," 170";
      "PaleGreen"," 152"," 251"," 152";
      "PaleTurquoise"," 175"," 238"," 238";
      "PaleVioletRed"," 219"," 112"," 147";
      "PapayaWhip"," 255"," 239"," 213";
      "PeachPuff"," 255"," 218"," 185";
      "Peru"," 205"," 133"," 63";
      "Pink"," 255"," 192"," 203";
      "Plum"," 221"," 160"," 221";
      "PowderBlue"," 176"," 224"," 230";
      "RebeccaPurple","102","51","153";
      "Red","255","0","0";
      "RosyBrown","188","143","143";
      "RoyalBlue","65","105","225";
      "SaddleBrown","139","69","19";
      "Salmon","250","128","114";
      "SandyBrown","244","164","96";
      "SeaGreen","46","139","87";
      "Seashell","255","245","238";
      "Sienna","160","82","45";
      "Silver","192","192","192";
      "SkyBlue","135","206","235";
      "SlateBlue","106","90","205";
      "SlateGray","112","128","144";
      "Snow","255","250","250";
      "SpringGreen","0","255","127";
      "SteelBlue","70","130","180";
      "Tan","210","180","140";
      "Teal","0","128","128";
      "Thistle","216","191","216";
      "Tomato","255","99","71";
      "Turquoise","64","224","208";
      "Violet","238","130","238";
      "Wheat","245","222","179";
      "White","255","255","255";
      "WhiteSmoke","245","245","245";
      "Yellow","255","255","0";
      "YellowGreen","154","205","50"
      },
   _MeanSquaredError, BYROW(
      (VALUE(DROP(_ColorTable, , 1)) - HSTACK(r, g, b)) ^ 2,
      LAMBDA(x, AVERAGE(x))
   ),
   _ClosestColors, SORTBY(TAKE(_ColorTable, , 1), _MeanSquaredError),
   _Result, TAKE(_ClosestColors, 1),
   _Result
));