// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

'use strict';

/**
 * Namespace for color utilities.
 */
lib.colors = {};

/**
 * First, some canned regular expressions we're going to use in this file.
 *
 *
 *                              BRACE YOURSELF
 *
 *                                 ,~~~~.
 *                                 |>_< ~~
 *                                3`---'-/.
 *                                3:::::\v\
 *                               =o=:::::\,\
 *                                | :::::\,,\
 *
 *                        THE REGULAR EXPRESSIONS
 *                               ARE COMING.
 *
 * There's no way to break long RE literals in JavaScript.  Fix that why don't
 * you?  Oh, and also there's no way to write a string that doesn't interpret
 * escapes.
 *
 * Instead, we stoop to this .replace() trick.
 */
lib.colors.re_ = {
  // CSS hex color, #RGB.
  hex16: /#([a-f0-9])([a-f0-9])([a-f0-9])/i,

  // CSS hex color, #RRGGBB.
  hex24: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/i,

  // CSS rgb color, rgb(rrr,ggg,bbb).
  rgb: new RegExp(
      ('^/s*rgb/s*/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,' +
       '/s*(/d{1,3})/s*/)/s*$'
       ).replace(/\//g, '\\'), 'i'),

  // CSS rgb color, rgb(rrr,ggg,bbb,aaa).
  rgba: new RegExp(
      ('^/s*rgba/s*' +
       '/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,/s*(/d{1,3})/s*' +
       '(?:,/s*(/d+(?:/./d+)?)/s*)/)/s*$'
       ).replace(/\//g, '\\'), 'i'),

  // Either RGB or RGBA.
  rgbx: new RegExp(
      ('^/s*rgba?/s*' +
       '/(/s*(/d{1,3})/s*,/s*(/d{1,3})/s*,/s*(/d{1,3})/s*' +
       '(?:,/s*(/d+(?:/./d+)?)/s*)?/)/s*$'
       ).replace(/\//g, '\\'), 'i'),

  // An X11 "rgb:dddd/dddd/dddd" value.
  x11rgb: /^\s*rgb:([a-f0-9]{1,4})\/([a-f0-9]{1,4})\/([a-f0-9]{1,4})\s*$/i,

  // English color name.
  name: /[a-z][a-z0-9\s]+/,
};

/**
 * Convert a CSS rgb(ddd,ddd,ddd) color value into an X11 color value.
 *
 * Other CSS color values are ignored to ensure sanitary data handling.
 *
 * Each 'ddd' component is a one byte value specified in decimal.
 *
 * @param {string} value The CSS color value to convert.
 * @return {string} The X11 color value or null if the value could not be
 *     converted.
 */
lib.colors.rgbToX11 = function(value) {
  function scale(v) {
    v = (Math.min(v, 255) * 257).toString(16);
    return lib.f.zpad(v, 4);
  }

  var ary = value.match(lib.colors.re_.rgbx);
  if (!ary)
    return null;

  return 'rgb:' + scale(ary[1]) + '/' + scale(ary[2]) + '/' + scale(ary[3]);
};

/**
 * Convert a legacy X11 colover value into an CSS rgb(...) color value.
 *
 * They take the form:
 * 12 bit: #RGB          -> #R000G000B000
 * 24 bit: #RRGGBB       -> #RR00GG00BB00
 * 36 bit: #RRRGGGBBB    -> #RRR0GGG0BBB0
 * 48 bit: #RRRRGGGGBBBB
 * These are the most significant bits.
 *
 * Truncate values back down to 24 bit since that's all CSS supports.
 */
lib.colors.x11HexToCSS = function(v) {
  if (!v.startsWith('#'))
    return null;
  // Strip the leading # off.
  v = v.substr(1);

  // Reject unknown sizes.
  if ([3, 6, 9, 12].indexOf(v.length) == -1)
    return null;

  // Reject non-hex values.
  if (v.match(/[^a-f0-9]/i))
    return null;

  // Split the colors out.
  var size = v.length / 3;
  var r = v.substr(0, size);
  var g = v.substr(size, size);
  var b = v.substr(size + size, size);

  // Normalize to 16 bits.
  function norm16(v) {
    v = parseInt(v, 16);
    return size == 2 ? v :         // 16 bit
           size == 1 ? v << 4 :    // 8 bit
           v >> (4 * (size - 2));  // 24 or 32 bit
  }
  return lib.colors.arrayToRGBA([r, g, b].map(norm16));
};

/**
 * Convert an X11 color value into an CSS rgb(...) color value.
 *
 * The X11 value may be an X11 color name, or an RGB value of the form
 * rgb:hhhh/hhhh/hhhh.  If a component value is less than 4 digits it is
 * padded out to 4, then scaled down to fit in a single byte.
 *
 * @param {string} value The X11 color value to convert.
 * @return {string} The CSS color value or null if the value could not be
 *     converted.
 */
lib.colors.x11ToCSS = function(v) {
  function scale(v) {
    // Pad out values with less than four digits.  This padding (probably)
    // matches xterm.  It's difficult to say for sure since xterm seems to
    // arrive at a padded value and then perform some combination of
    // gamma correction, color space transformation, and quantization.

    if (v.length == 1) {
      // Single digits pad out to four by repeating the character.  "f" becomes
      // "ffff".  Scaling down a hex value of this pattern by 257 is the same
      // as cutting off one byte.  We skip the middle step and just double
      // the character.
      return parseInt(v + v, 16);
    }

    if (v.length == 2) {
      // Similar deal here.  X11 pads two digit values by repeating the
      // byte (or scale up by 257).  Since we're going to scale it back
      // down anyway, we can just return the original value.
      return parseInt(v, 16);
    }

    if (v.length == 3) {
      // Three digit values seem to be padded by repeating the final digit.
      // e.g. 10f becomes 10ff.
      v = v + v.substr(2);
    }

    // Scale down the 2 byte value.
    return Math.round(parseInt(v, 16) / 257);
  }

  var ary = v.match(lib.colors.re_.x11rgb);
  if (!ary) {
    // Handle the legacy format.
    if (v.startsWith('#'))
      return lib.colors.x11HexToCSS(v);
    else
      return lib.colors.nameToRGB(v);
  }

  ary.splice(0, 1);
  return lib.colors.arrayToRGBA(ary.map(scale));
};

/**
 * Converts one or more CSS '#RRGGBB' color values into their rgb(...)
 * form.
 *
 * Arrays are converted in place. If a value cannot be converted, it is
 * replaced with null.
 *
 * @param {string|Array.<string>} A single RGB value or array of RGB values to
 *     convert.
 * @return {string|Array.<string>} The converted value or values.
 */
lib.colors.hexToRGB = function(arg) {
  var hex16 = lib.colors.re_.hex16;
  var hex24 = lib.colors.re_.hex24;

  function convert(hex) {
    if (hex.length == 4) {
      hex = hex.replace(hex16, function(h, r, g, b) {
        return "#" + r + r + g + g + b + b;
      });
    }
    var ary = hex.match(hex24);
    if (!ary)
      return null;

    return 'rgb(' + parseInt(ary[1], 16) + ', ' +
        parseInt(ary[2], 16) + ', ' +
        parseInt(ary[3], 16) + ')';
  }

  if (arg instanceof Array) {
    for (var i = 0; i < arg.length; i++) {
      arg[i] = convert(arg[i]);
    }
  } else {
    arg = convert(arg);
  }

  return arg;
};

/**
 * Converts one or more CSS rgb(...) forms into their '#RRGGBB' color values.
 *
 * If given an rgba(...) form, the alpha field is thrown away.
 *
 * Arrays are converted in place. If a value cannot be converted, it is
 * replaced with null.
 *
 * @param {string|Array.<string>} A single rgb(...) value or array of rgb(...)
 *     values to convert.
 * @return {string|Array.<string>} The converted value or values.
 */
lib.colors.rgbToHex = function(arg) {
  function convert(rgb) {
    var ary = lib.colors.crackRGB(rgb);
    if (!ary)
      return null;
    return '#' + lib.f.zpad(((parseInt(ary[0]) << 16) |
                             (parseInt(ary[1]) <<  8) |
                             (parseInt(ary[2]) <<  0)).toString(16), 6);
  }

  if (arg instanceof Array) {
    for (var i = 0; i < arg.length; i++) {
      arg[i] = convert(arg[i]);
    }
  } else {
    arg = convert(arg);
  }

  return arg;
};

/**
 * Take any valid css color definition and turn it into an rgb or rgba value.
 *
 * Returns null if the value could not be normalized.
 */
lib.colors.normalizeCSS = function(def) {
  if (def.startsWith('#'))
    return lib.colors.hexToRGB(def);

  if (lib.colors.re_.rgbx.test(def))
    return def;

  return lib.colors.nameToRGB(def);
};

/**
 * Convert a 3 or 4 element array into an rgba(...) string.
 */
lib.colors.arrayToRGBA = function(ary) {
  var alpha = (ary.length > 3) ? ary[3] : 1;
  return 'rgba(' + ary[0] + ', ' + ary[1] + ', ' + ary[2] + ', ' + alpha + ')';
};

/**
 * Overwrite the alpha channel of an rgb/rgba color.
 */
lib.colors.setAlpha = function(rgb, alpha) {
  var ary = lib.colors.crackRGB(rgb);
  ary[3] = alpha;
  return lib.colors.arrayToRGBA(ary);
};

/**
 * Mix a percentage of a tint color into a base color.
 */
lib.colors.mix = function(base, tint, percent) {
  var ary1 = lib.colors.crackRGB(base);
  var ary2 = lib.colors.crackRGB(tint);

  for (var i = 0; i < 4; ++i) {
    var diff = ary2[i] - ary1[i];
    ary1[i] = Math.round(parseInt(ary1[i]) + diff * percent);
  }

  return lib.colors.arrayToRGBA(ary1);
};

/**
 * Split an rgb/rgba color into an array of its components.
 *
 * On success, a 4 element array will be returned.  For rgb values, the alpha
 * will be set to 1.
 */
lib.colors.crackRGB = function(color) {
  if (color.startsWith('rgba')) {
    var ary = color.match(lib.colors.re_.rgba);
    if (ary) {
      ary.shift();
      return ary;
    }
  } else {
    var ary = color.match(lib.colors.re_.rgb);
    if (ary) {
      ary.shift();
      ary.push('1');
      return ary;
    }
  }

  console.error('Couldn\'t crack: ' + color);
  return null;
};

/**
 * Convert an X11 color name into a CSS rgb(...) value.
 *
 * Names are stripped of spaces and converted to lowercase.  If the name is
 * unknown, null is returned.
 *
 * This list of color name to RGB mapping is derived from the stock X11
 * rgb.txt file.
 *
 * @param {string} name The color name to convert.
 * @return {string} The corresponding CSS rgb(...) value.
 */
lib.colors.nameToRGB = function(name) {
  if (name in lib.colors.colorNames)
    return lib.colors.colorNames[name];

  name = name.toLowerCase();
  if (name in lib.colors.colorNames)
    return lib.colors.colorNames[name];

  name = name.replace(/\s+/g, '');
  if (name in lib.colors.colorNames)
    return lib.colors.colorNames[name];

  return null;
};

/**
 * The stock color palette.
 */
lib.colors.stockColorPalette = lib.colors.hexToRGB
  ([// The "ANSI 16"...
    '#000000', '#CC0000', '#4E9A06', '#C4A000',
    '#3465A4', '#75507B', '#06989A', '#D3D7CF',
    '#555753', '#EF2929', '#00BA13', '#FCE94F',
    '#729FCF', '#F200CB', '#00B5BD', '#EEEEEC',

    // The 6x6 color cubes...
    '#000000', '#00005F', '#000087', '#0000AF', '#0000D7', '#0000FF',
    '#005F00', '#005F5F', '#005F87', '#005FAF', '#005FD7', '#005FFF',
    '#008700', '#00875F', '#008787', '#0087AF', '#0087D7', '#0087FF',
    '#00AF00', '#00AF5F', '#00AF87', '#00AFAF', '#00AFD7', '#00AFFF',
    '#00D700', '#00D75F', '#00D787', '#00D7AF', '#00D7D7', '#00D7FF',
    '#00FF00', '#00FF5F', '#00FF87', '#00FFAF', '#00FFD7', '#00FFFF',

    '#5F0000', '#5F005F', '#5F0087', '#5F00AF', '#5F00D7', '#5F00FF',
    '#5F5F00', '#5F5F5F', '#5F5F87', '#5F5FAF', '#5F5FD7', '#5F5FFF',
    '#5F8700', '#5F875F', '#5F8787', '#5F87AF', '#5F87D7', '#5F87FF',
    '#5FAF00', '#5FAF5F', '#5FAF87', '#5FAFAF', '#5FAFD7', '#5FAFFF',
    '#5FD700', '#5FD75F', '#5FD787', '#5FD7AF', '#5FD7D7', '#5FD7FF',
    '#5FFF00', '#5FFF5F', '#5FFF87', '#5FFFAF', '#5FFFD7', '#5FFFFF',

    '#870000', '#87005F', '#870087', '#8700AF', '#8700D7', '#8700FF',
    '#875F00', '#875F5F', '#875F87', '#875FAF', '#875FD7', '#875FFF',
    '#878700', '#87875F', '#878787', '#8787AF', '#8787D7', '#8787FF',
    '#87AF00', '#87AF5F', '#87AF87', '#87AFAF', '#87AFD7', '#87AFFF',
    '#87D700', '#87D75F', '#87D787', '#87D7AF', '#87D7D7', '#87D7FF',
    '#87FF00', '#87FF5F', '#87FF87', '#87FFAF', '#87FFD7', '#87FFFF',

    '#AF0000', '#AF005F', '#AF0087', '#AF00AF', '#AF00D7', '#AF00FF',
    '#AF5F00', '#AF5F5F', '#AF5F87', '#AF5FAF', '#AF5FD7', '#AF5FFF',
    '#AF8700', '#AF875F', '#AF8787', '#AF87AF', '#AF87D7', '#AF87FF',
    '#AFAF00', '#AFAF5F', '#AFAF87', '#AFAFAF', '#AFAFD7', '#AFAFFF',
    '#AFD700', '#AFD75F', '#AFD787', '#AFD7AF', '#AFD7D7', '#AFD7FF',
    '#AFFF00', '#AFFF5F', '#AFFF87', '#AFFFAF', '#AFFFD7', '#AFFFFF',

    '#D70000', '#D7005F', '#D70087', '#D700AF', '#D700D7', '#D700FF',
    '#D75F00', '#D75F5F', '#D75F87', '#D75FAF', '#D75FD7', '#D75FFF',
    '#D78700', '#D7875F', '#D78787', '#D787AF', '#D787D7', '#D787FF',
    '#D7AF00', '#D7AF5F', '#D7AF87', '#D7AFAF', '#D7AFD7', '#D7AFFF',
    '#D7D700', '#D7D75F', '#D7D787', '#D7D7AF', '#D7D7D7', '#D7D7FF',
    '#D7FF00', '#D7FF5F', '#D7FF87', '#D7FFAF', '#D7FFD7', '#D7FFFF',

    '#FF0000', '#FF005F', '#FF0087', '#FF00AF', '#FF00D7', '#FF00FF',
    '#FF5F00', '#FF5F5F', '#FF5F87', '#FF5FAF', '#FF5FD7', '#FF5FFF',
    '#FF8700', '#FF875F', '#FF8787', '#FF87AF', '#FF87D7', '#FF87FF',
    '#FFAF00', '#FFAF5F', '#FFAF87', '#FFAFAF', '#FFAFD7', '#FFAFFF',
    '#FFD700', '#FFD75F', '#FFD787', '#FFD7AF', '#FFD7D7', '#FFD7FF',
    '#FFFF00', '#FFFF5F', '#FFFF87', '#FFFFAF', '#FFFFD7', '#FFFFFF',

    // The greyscale ramp...
    '#080808', '#121212', '#1C1C1C', '#262626', '#303030', '#3A3A3A',
    '#444444', '#4E4E4E', '#585858', '#626262', '#6C6C6C', '#767676',
    '#808080', '#8A8A8A', '#949494', '#9E9E9E', '#A8A8A8', '#B2B2B2',
    '#BCBCBC', '#C6C6C6', '#D0D0D0', '#DADADA', '#E4E4E4', '#EEEEEE'
   ]);

/**
 * The current color palette, possibly with user changes.
 */
lib.colors.colorPalette = lib.colors.stockColorPalette;

/**
 * Named colors according to the stock X11 rgb.txt file.
 */
lib.colors.colorNames = {
  "aliceblue": "rgb(240, 248, 255)",
  "antiquewhite": "rgb(250, 235, 215)",
  "antiquewhite1": "rgb(255, 239, 219)",
  "antiquewhite2": "rgb(238, 223, 204)",
  "antiquewhite3": "rgb(205, 192, 176)",
  "antiquewhite4": "rgb(139, 131, 120)",
  "aquamarine": "rgb(127, 255, 212)",
  "aquamarine1": "rgb(127, 255, 212)",
  "aquamarine2": "rgb(118, 238, 198)",
  "aquamarine3": "rgb(102, 205, 170)",
  "aquamarine4": "rgb(69, 139, 116)",
  "azure": "rgb(240, 255, 255)",
  "azure1": "rgb(240, 255, 255)",
  "azure2": "rgb(224, 238, 238)",
  "azure3": "rgb(193, 205, 205)",
  "azure4": "rgb(131, 139, 139)",
  "beige": "rgb(245, 245, 220)",
  "bisque": "rgb(255, 228, 196)",
  "bisque1": "rgb(255, 228, 196)",
  "bisque2": "rgb(238, 213, 183)",
  "bisque3": "rgb(205, 183, 158)",
  "bisque4": "rgb(139, 125, 107)",
  "black": "rgb(0, 0, 0)",
  "blanchedalmond": "rgb(255, 235, 205)",
  "blue": "rgb(0, 0, 255)",
  "blue1": "rgb(0, 0, 255)",
  "blue2": "rgb(0, 0, 238)",
  "blue3": "rgb(0, 0, 205)",
  "blue4": "rgb(0, 0, 139)",
  "blueviolet": "rgb(138, 43, 226)",
  "brown": "rgb(165, 42, 42)",
  "brown1": "rgb(255, 64, 64)",
  "brown2": "rgb(238, 59, 59)",
  "brown3": "rgb(205, 51, 51)",
  "brown4": "rgb(139, 35, 35)",
  "burlywood": "rgb(222, 184, 135)",
  "burlywood1": "rgb(255, 211, 155)",
  "burlywood2": "rgb(238, 197, 145)",
  "burlywood3": "rgb(205, 170, 125)",
  "burlywood4": "rgb(139, 115, 85)",
  "cadetblue": "rgb(95, 158, 160)",
  "cadetblue1": "rgb(152, 245, 255)",
  "cadetblue2": "rgb(142, 229, 238)",
  "cadetblue3": "rgb(122, 197, 205)",
  "cadetblue4": "rgb(83, 134, 139)",
  "chartreuse": "rgb(127, 255, 0)",
  "chartreuse1": "rgb(127, 255, 0)",
  "chartreuse2": "rgb(118, 238, 0)",
  "chartreuse3": "rgb(102, 205, 0)",
  "chartreuse4": "rgb(69, 139, 0)",
  "chocolate": "rgb(210, 105, 30)",
  "chocolate1": "rgb(255, 127, 36)",
  "chocolate2": "rgb(238, 118, 33)",
  "chocolate3": "rgb(205, 102, 29)",
  "chocolate4": "rgb(139, 69, 19)",
  "coral": "rgb(255, 127, 80)",
  "coral1": "rgb(255, 114, 86)",
  "coral2": "rgb(238, 106, 80)",
  "coral3": "rgb(205, 91, 69)",
  "coral4": "rgb(139, 62, 47)",
  "cornflowerblue": "rgb(100, 149, 237)",
  "cornsilk": "rgb(255, 248, 220)",
  "cornsilk1": "rgb(255, 248, 220)",
  "cornsilk2": "rgb(238, 232, 205)",
  "cornsilk3": "rgb(205, 200, 177)",
  "cornsilk4": "rgb(139, 136, 120)",
  "cyan": "rgb(0, 255, 255)",
  "cyan1": "rgb(0, 255, 255)",
  "cyan2": "rgb(0, 238, 238)",
  "cyan3": "rgb(0, 205, 205)",
  "cyan4": "rgb(0, 139, 139)",
  "darkblue": "rgb(0, 0, 139)",
  "darkcyan": "rgb(0, 139, 139)",
  "darkgoldenrod": "rgb(184, 134, 11)",
  "darkgoldenrod1": "rgb(255, 185, 15)",
  "darkgoldenrod2": "rgb(238, 173, 14)",
  "darkgoldenrod3": "rgb(205, 149, 12)",
  "darkgoldenrod4": "rgb(139, 101, 8)",
  "darkgray": "rgb(169, 169, 169)",
  "darkgreen": "rgb(0, 100, 0)",
  "darkgrey": "rgb(169, 169, 169)",
  "darkkhaki": "rgb(189, 183, 107)",
  "darkmagenta": "rgb(139, 0, 139)",
  "darkolivegreen": "rgb(85, 107, 47)",
  "darkolivegreen1": "rgb(202, 255, 112)",
  "darkolivegreen2": "rgb(188, 238, 104)",
  "darkolivegreen3": "rgb(162, 205, 90)",
  "darkolivegreen4": "rgb(110, 139, 61)",
  "darkorange": "rgb(255, 140, 0)",
  "darkorange1": "rgb(255, 127, 0)",
  "darkorange2": "rgb(238, 118, 0)",
  "darkorange3": "rgb(205, 102, 0)",
  "darkorange4": "rgb(139, 69, 0)",
  "darkorchid": "rgb(153, 50, 204)",
  "darkorchid1": "rgb(191, 62, 255)",
  "darkorchid2": "rgb(178, 58, 238)",
  "darkorchid3": "rgb(154, 50, 205)",
  "darkorchid4": "rgb(104, 34, 139)",
  "darkred": "rgb(139, 0, 0)",
  "darksalmon": "rgb(233, 150, 122)",
  "darkseagreen": "rgb(143, 188, 143)",
  "darkseagreen1": "rgb(193, 255, 193)",
  "darkseagreen2": "rgb(180, 238, 180)",
  "darkseagreen3": "rgb(155, 205, 155)",
  "darkseagreen4": "rgb(105, 139, 105)",
  "darkslateblue": "rgb(72, 61, 139)",
  "darkslategray": "rgb(47, 79, 79)",
  "darkslategray1": "rgb(151, 255, 255)",
  "darkslategray2": "rgb(141, 238, 238)",
  "darkslategray3": "rgb(121, 205, 205)",
  "darkslategray4": "rgb(82, 139, 139)",
  "darkslategrey": "rgb(47, 79, 79)",
  "darkturquoise": "rgb(0, 206, 209)",
  "darkviolet": "rgb(148, 0, 211)",
  "debianred": "rgb(215, 7, 81)",
  "deeppink": "rgb(255, 20, 147)",
  "deeppink1": "rgb(255, 20, 147)",
  "deeppink2": "rgb(238, 18, 137)",
  "deeppink3": "rgb(205, 16, 118)",
  "deeppink4": "rgb(139, 10, 80)",
  "deepskyblue": "rgb(0, 191, 255)",
  "deepskyblue1": "rgb(0, 191, 255)",
  "deepskyblue2": "rgb(0, 178, 238)",
  "deepskyblue3": "rgb(0, 154, 205)",
  "deepskyblue4": "rgb(0, 104, 139)",
  "dimgray": "rgb(105, 105, 105)",
  "dimgrey": "rgb(105, 105, 105)",
  "dodgerblue": "rgb(30, 144, 255)",
  "dodgerblue1": "rgb(30, 144, 255)",
  "dodgerblue2": "rgb(28, 134, 238)",
  "dodgerblue3": "rgb(24, 116, 205)",
  "dodgerblue4": "rgb(16, 78, 139)",
  "firebrick": "rgb(178, 34, 34)",
  "firebrick1": "rgb(255, 48, 48)",
  "firebrick2": "rgb(238, 44, 44)",
  "firebrick3": "rgb(205, 38, 38)",
  "firebrick4": "rgb(139, 26, 26)",
  "floralwhite": "rgb(255, 250, 240)",
  "forestgreen": "rgb(34, 139, 34)",
  "gainsboro": "rgb(220, 220, 220)",
  "ghostwhite": "rgb(248, 248, 255)",
  "gold": "rgb(255, 215, 0)",
  "gold1": "rgb(255, 215, 0)",
  "gold2": "rgb(238, 201, 0)",
  "gold3": "rgb(205, 173, 0)",
  "gold4": "rgb(139, 117, 0)",
  "goldenrod": "rgb(218, 165, 32)",
  "goldenrod1": "rgb(255, 193, 37)",
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  "salmon2": "rgb(238, 130, 98)",
  "salmon3": "rgb(205, 112, 84)",
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  "sienna3": "rgb(205, 104, 57)",
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  "slategray3": "rgb(159, 182, 205)",
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  "snow1": "rgb(255, 250, 250)",
  "snow2": "rgb(238, 233, 233)",
  "snow3": "rgb(205, 201, 201)",
  "snow4": "rgb(139, 137, 137)",
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  "springgreen1": "rgb(0, 255, 127)",
  "springgreen2": "rgb(0, 238, 118)",
  "springgreen3": "rgb(0, 205, 102)",
  "springgreen4": "rgb(0, 139, 69)",
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  "tan1": "rgb(255, 165, 79)",
  "tan2": "rgb(238, 154, 73)",
  "tan3": "rgb(205, 133, 63)",
  "tan4": "rgb(139, 90, 43)",
  "thistle": "rgb(216, 191, 216)",
  "thistle1": "rgb(255, 225, 255)",
  "thistle2": "rgb(238, 210, 238)",
  "thistle3": "rgb(205, 181, 205)",
  "thistle4": "rgb(139, 123, 139)",
  "tomato": "rgb(255, 99, 71)",
  "tomato1": "rgb(255, 99, 71)",
  "tomato2": "rgb(238, 92, 66)",
  "tomato3": "rgb(205, 79, 57)",
  "tomato4": "rgb(139, 54, 38)",
  "turquoise": "rgb(64, 224, 208)",
  "turquoise1": "rgb(0, 245, 255)",
  "turquoise2": "rgb(0, 229, 238)",
  "turquoise3": "rgb(0, 197, 205)",
  "turquoise4": "rgb(0, 134, 139)",
  "violet": "rgb(238, 130, 238)",
  "violetred": "rgb(208, 32, 144)",
  "violetred1": "rgb(255, 62, 150)",
  "violetred2": "rgb(238, 58, 140)",
  "violetred3": "rgb(205, 50, 120)",
  "violetred4": "rgb(139, 34, 82)",
  "wheat": "rgb(245, 222, 179)",
  "wheat1": "rgb(255, 231, 186)",
  "wheat2": "rgb(238, 216, 174)",
  "wheat3": "rgb(205, 186, 150)",
  "wheat4": "rgb(139, 126, 102)",
  "white": "rgb(255, 255, 255)",
  "whitesmoke": "rgb(245, 245, 245)",
  "yellow": "rgb(255, 255, 0)",
  "yellow1": "rgb(255, 255, 0)",
  "yellow2": "rgb(238, 238, 0)",
  "yellow3": "rgb(205, 205, 0)",
  "yellow4": "rgb(139, 139, 0)",
  "yellowgreen": "rgb(154, 205, 50)"
};