exports.HEX_TO_COLOR = {
    '#f0ffff': 'azure',
    '#f5f5dc': 'beige',
    '#ffe4c4': 'bisque',
    '#a52a2a': 'brown',
    '#ff7f50': 'coral',
    '#ffd700': 'gold',
    '#808080': 'gray',
    '#008000': 'green',
    '#4b0082': 'indigo',
    '#fffff0': 'ivory',
    '#f0e68c': 'khaki',
    '#faf0e6': 'linen',
    '#800000': 'maroon',
    '#000080': 'navy',
    '#808000': 'olive',
    '#ffa500': 'orange',
    '#da70d6': 'orchid',
    '#cd853f': 'peru',
    '#ffc0cb': 'pink',
    '#dda0dd': 'plum',
    '#800080': 'purple',
    '#f00': 'red',
    '#fa8072': 'salmon',
    '#a0522d': 'sienna',
    '#c0c0c0': 'silver',
    '#fffafa': 'snow',
    '#d2b48c': 'tan',
    '#008080': 'teal',
    '#ff6347': 'tomato',
    '#ee82ee': 'violet',
    '#f5deb3': 'wheat'
};

exports.COLOR_TO_HEX = {
    aliceblue: '#f0f8ff',
    antiquewhite: '#faebd7',
    aqua: '#0ff',
    aquamarine: '#7fffd4',
    black: '#000',
    blanchedalmond: '#ffebcd',
    blue: '#00f',
    blueviolet: '#8a2be2',
    burlywood: '#deb887',
    cadetblue: '#5f9ea0',
    chartreuse: '#7fff00',
    chocolate: '#d2691e',
    cornflowerblue: '#6495ed',
    cornsilk: '#fff8dc',
    crimson: '#dc143c',
    cyan: '#0ff',
    darkblue: '#00008b',
    darkcyan: '#008b8b',
    darkgoldenrod: '#b8860b',
    darkgray: '#a9a9a9',
    darkgreen: '#006400',
    darkkhaki: '#bdb76b',
    darkmagenta: '#8b008b',
    darkolivegreen: '#556b2f',
    darkorange: '#ff8c00',
    darkorchid: '#9932cc',
    darkred: '#8b0000',
    darksalmon: '#e9967a',
    darkseagreen: '#8fbc8f',
    darkslateblue: '#483d8b',
    darkslategray: '#2f4f4f',
    darkturquoise: '#00ced1',
    darkviolet: '#9400d3',
    deeppink: '#ff1493',
    deepskyblue: '#00bfff',
    dimgray: '#696969',
    dodgerblue: '#1e90ff',
    firebrick: '#b22222',
    floralwhite: '#fffaf0',
    forestgreen: '#228b22',
    fuchsia: '#f0f',
    gainsboro: '#dcdcdc',
    ghostwhite: '#f8f8ff',
    goldenrod: '#daa520',
    greenyellow: '#adff2f',
    honeydew: '#f0fff0',
    hotpink: '#ff69b4',
    indianred: '#cd5c5c',
    lavender: '#e6e6fa',
    lavenderblush: '#fff0f5',
    lawngreen: '#7cfc00',
    lemonchiffon: '#fffacd',
    lightblue: '#add8e6',
    lightcoral: '#f08080',
    lightcyan: '#e0ffff',
    lightgoldenrodyellow: '#fafad2',
    lightgray: '#d3d3d3',
    lightgreen: '#90ee90',
    lightpink: '#ffb6c1',
    lightsalmon: '#ffa07a',
    lightseagreen: '#20b2aa',
    lightskyblue: '#87cefa',
    lightslategray: '#778899',
    lightsteelblue: '#b0c4de',
    lightyellow: '#ffffe0',
    lime: '#0f0',
    limegreen: '#32cd32',
    magenta: '#ff00ff',
    mediumaquamarine: '#66cdaa',
    mediumblue: '#0000cd',
    mediumorchid: '#ba55d3',
    mediumpurple: '#9370db',
    mediumseagreen: '#3cb371',
    mediumslateblue: '#7b68ee',
    mediumspringgreen: '#00fa9a',
    mediumturquoise: '#48d1cc',
    mediumvioletred: '#c71585',
    midnightblue: '#191970',
    mintcream: '#f5fffa',
    mistyrose: '#ffe4e1',
    moccasin: '#ffe4b5',
    navajowhite: '#ffdead',
    oldlace: '#fdf5e6',
    olivedrab: '#6b8e23',
    orangered: '#ff4500',
    palegoldenrod: '#eee8aa',
    palegreen: '#98fb98',
    paleturquoise: '#afeeee',
    palevioletred: '#db7093',
    papayawhip: '#ffefd5',
    peachpuff: '#ffdab9',
    powderblue: '#b0e0e6',
    rosybrown: '#bc8f8f',
    royalblue: '#4169e1',
    saddlebrown: '#8b4513',
    sandybrown: '#f4a460',
    seagreen: '#2e8b57',
    seashell: '#fff5ee',
    skyblue: '#87ceeb',
    slateblue: '#6a5acd',
    slategray: '#708090',
    springgreen: '#00ff7f',
    steelblue: '#4682b4',
    thistle: '#d8bfd8',
    turquoise: '#40e0d0',
    white: '#fff',
    whitesmoke: '#f5f5f5',
    yellow: '#ff0',
    yellowgreen: '#9acd32'
};

@@ -3271,24 +3271,51 @@
  '#b0e0e6',%0A
+    rebeccapurple: '#639',%0A
     rosybrow

Add `rebeccapurple` per CSS level 4