Fazer o sorteio de uma cor informando um tom

Sort color

const colors = {
    brown: [{
            'cornsilk': '#FFF8DC',
            'blanchedalmond': '#FFEBCD',
            'bisque': '#FFE4C4',
            'navajowhite': '#FFDEAD',
            'wheat': '#F5DEB3',
            'burlywood': '#DEB887',
            'tan': '#D2B48C',
            'rosybrown': '#BC8F8F',
            'sandybrown': '#F4A460',
            'goldenrod': '#DAA520',
            'peru': '#CD853F',
            'chocolate': '#D2691E',
            'saddlebrown': '#8B4513',
            'sienna': '#A0522D',
            'brown': '#A52A2A',
            'maroon': '#800000'
        }],
    gray: [{
            'gainsboro': '#DCDCDC',
            'lightgray': '#D3D3D3',
            'silver': '#C0C0C0',
            'darkgray': '#A9A9A9',
            'gray': '#808080',
            'dimgray': '#696969',
            'lightslategray': '#778899',
            'slategray': '#708090',
            'darkslategray': '#2F4F4F',
            'black': '#000000'
        }],
    white: [{
            'white': '#FFFFFF',
            'snow': '#FFFAFA',
            'honeydew': '#F0FFF0',
            'mintcream': '#F5FFFA',
            'azure': '#F0FFFF',
            'aliceblue': '#F0F8FF',
            'ghostwhite': '#F8F8FF',
            'whitesmoke': '#F5F5F5',
            'seashell': '#FFF5EE',
            'beige': '#F5F5DC',
            'oldlace': '#FDF5E6',
            'floralwhite': '#FFFAF0',
            'ivory': '#FFFFF0',
            'antiquewhite': '#FAEBD7',
            'linen': '#FAF0E6',
            'lavenderblush': '#FFF0F5',
            'mistyrose': '#FFE4E1'
        }],
    red: [{
            'lightsalmon': '#FFA07A',
            'salmon': '#FA8072',
            'darksalmon': '#E9967A',
            'lightcoral': '#F08080',
            'indianred': '#CD5C5C',
            'crimson': '#DC143C',
            'firebrick': '#B22222',
            'red': '#FF0000',
            'darkred': '#8B0000'
        }],
    orange: [{
            'coral': '#FF7F50',
            'tomato': '#FF6347',
            'orangered': '#FF4500',
            'gold': '#FFD700',
            'orange': '#FFA500',
            'darkorange': '#FF8C00'
        }],
    yellow: [{
            'lightyellow': '#FFFFE0',
            'lemonchiffon': '#FFFACD',
            'lightgoldenrodyellow': '#FAFAD2',
            'papayawhip': '#FFEFD5',
            'moccasin': '#FFE4B5',
            'peachpuff': '#FFDAB9',
            'palegoldenrod': '#EEE8AA',
            'khaki': '#F0E68C',
            'darkkhaki': '#BDB76B',
            'yellow': '#FFFF00'
        }],
    green: [{
            'lawngreen': '#7CFC00',
            'chartreuse': '#7FFF00',
            'limegreen': '#32CD32',
            'lime': '#00FF00',
            'forestgreen': '#228B22',
            'green': '#008000',
            'darkgreen': '#006400',
            'greenyellow': '#ADFF2F',
            'yellowgreen': '#9ACD32',
            'springgreen': '#00FF7F',
            'mediumspringgreen': '#00FA9A',
            'lightgreen': '#90EE90',
            'palegreen': '#98FB98',
            'darkseagreen': '#8FBC8F',
            'mediumseagreen': '#3CB371',
            'seagreen': '#2E8B57',
            'olive': '#808000',
            'darkolivegreen': '#556B2F',
            'olivedrab': '#6B8E23'
        }],
    cyan: [{
            'lightcyan': '#E0FFFF',
            'cyan': '#00FFFF',
            'aqua': '#00FFFF',
            'aquamarine': '#7FFFD4',
            'mediumaquamarine': '#66CDAA',
            'paleturquoise': '#AFEEEE',
            'turquoise': '#40E0D0',
            'mediumturquoise': '#48D1CC',
            'darkturquoise': '#00CED1',
            'lightseagreen': '#20B2AA',
            'cadetblue': '#5F9EA0',
            'darkcyan': '#008B8B',
            'teal': '#008080'
        }],
    blue: [{
            'powderblue': '#B0E0E6',
            'lightblue': '#ADD8E6',
            'lightskyblue': '#87CEFA',
            'skyblue': '#87CEEB',
            'deepskyblue': '#00BFFF',
            'lightsteelblue': '#B0C4DE',
            'dodgerblue': '#1E90FF',
            'cornflowerblue': '#6495ED',
            'steelblue': '#4682B4',
            'royalblue': '#4169E1',
            'blue': '#0000FF',
            'mediumblue': '#0000CD',
            'darkblue': '#00008B',
            'navy': '#000080',
            'midnightblue': '#191970',
            'mediumslateblue': '#7B68EE',
            'slateblue': '#6A5ACD',
            'darkslateblue': '#483D8B'
        }],
    purple: [{
            'lavender': '#E6E6FA',
            'thistle': '#D8BFD8',
            'plum': '#DDA0DD',
            'violet': '#EE82EE',
            'orchid': '#DA70D6',
            'fuchsia': '#FF00FF',
            'magenta': '#FF00FF',
            'mediumorchid': '#BA55D3',
            'mediumpurple': '#9370DB',
            'blueviolet': '#8A2BE2',
            'darkviolet': '#9400D3',
            'darkorchid': '#9932CC',
            'darkmagenta': '#8B008B',
            'purple': '#800080',
            'indigo': '#4B0082'
        }],
    pink: [{
            'pink': '#FFC0CB',
            'lightpink': '#FFB6C1',
            'hotpink': '#FF69B4',
            'deeppink': '#FF1493',
            'palevioletred': '#DB7093',
            'mediumvioletred': '#C71585'
        }]
};
   

const shuffle = (array) =>
  array.sort(() => Math.random() - 0.5)

const getColor = (color) => (colors) =>
  shuffle(Object.entries(colors[color][0]))[0].reduce((a, b) => ({[a]: b}))

const getColorBrowFrom = getColor("brown")
const getColorPinkFrom = getColor("pink")


console.log(
  getColorBrowFrom(colors),
)
console.log(
  getColorPinkFrom(colors),
)