Convert HTML Colors to RGB float values

htmlColorsToRGB.py

from decimal import Decimal, ROUND_DOWN
import json

# Base code from
# http://stackoverflow.com/questions/4296249/how-do-i-convert-a-hex-triplet-to-an-rgb-tuple-and-back
# Code by martineau
_NUMERALS = '0123456789abcdefABCDEF'
_HEXDEC = {v: int(v, 16) for v in (x+y for x in _NUMERALS for y in _NUMERALS)}
LOWERCASE, UPPERCASE = 'x', 'X'

def rgb(triplet):
    r = Decimal(_HEXDEC[triplet[0:2]] / 255.0).quantize(Decimal('.01'), rounding=ROUND_DOWN)
    g = Decimal(_HEXDEC[triplet[2:4]] / 255.0).quantize(Decimal('.01'), rounding=ROUND_DOWN)
    b = Decimal(_HEXDEC[triplet[4:6]] / 255.0).quantize(Decimal('.01'), rounding=ROUND_DOWN)

    return [float(r), float(g), float(b)]

colorTable = {
    "AliceBlue": "#F0F8FF",
    "AntiqueWhite": "#FAEBD7",
    "Aqua": "#00FFFF",
    "Aquamarine": "#7FFFD4",
    "Azure": "#F0FFFF",
    "Beige": "#F5F5DC",
    "Bisque": "#FFE4C4",
    "Black": "#000000",
    "BlanchedAlmond": "#FFEBCD",
    "Blue": "#0000FF",
    "BlueViolet": "#8A2BE2",
    "Brown": "#A52A2A",
    "BurlyWood": "#DEB887",
    "CadetBlue": "#5F9EA0",
    "Chartreuse": "#7FFF00",
    "Chocolate": "#D2691E",
    "Coral": "#FF7F50",
    "CornflowerBlue": "#6495ED",
    "Cornsilk": "#FFF8DC",
    "Crimson": "#DC143C",
    "Cyan": "#00FFFF",
    "DarkBlue": "#00008B",
    "DarkCyan": "#008B8B",
    "DarkGoldenRod": "#B8860B",
    "DarkGray": "#A9A9A9",
    "DarkGrey": "#A9A9A9",
    "DarkGreen": "#006400",
    "DarkKhaki": "#BDB76B",
    "DarkMagenta": "#8B008B",
    "DarkOliveGreen": "#556B2F",
    "DarkOrange": "#FF8C00",
    "DarkOrchid": "#9932CC",
    "DarkRed": "#8B0000",
    "DarkSalmon": "#E9967A",
    "DarkSeaGreen": "#8FBC8F",
    "DarkSlateBlue": "#483D8B",
    "DarkSlateGray": "#2F4F4F",
    "DarkSlateGrey": "#2F4F4F",
    "DarkTurquoise": "#00CED1",
    "DarkViolet": "#9400D3",
    "DeepPink": "#FF1493",
    "DeepSkyBlue": "#00BFFF",
    "DimGray": "#696969",
    "DimGrey": "#696969",
    "DodgerBlue": "#1E90FF",
    "FireBrick": "#B22222",
    "FloralWhite": "#FFFAF0",
    "ForestGreen": "#228B22",
    "Fuchsia": "#FF00FF",
    "Gainsboro": "#DCDCDC",
    "GhostWhite": "#F8F8FF",
    "Gold": "#FFD700",
    "GoldenRod": "#DAA520",
    "Gray": "#808080",
    "Grey": "#808080",
    "Green": "#008000",
    "GreenYellow": "#ADFF2F",
    "HoneyDew": "#F0FFF0",
    "HotPink": "#FF69B4",
    "IndianRed": "#CD5C5C",
    "Indigo": "#4B0082",
    "Ivory": "#FFFFF0",
    "Khaki": "#F0E68C",
    "Lavender": "#E6E6FA",
    "LavenderBlush": "#FFF0F5",
    "LawnGreen": "#7CFC00",
    "LemonChiffon": "#FFFACD",
    "LightBlue": "#ADD8E6",
    "LightCoral": "#F08080",
    "LightCyan": "#E0FFFF",
    "LightGoldenRodYellow": "#FAFAD2",
    "LightGray": "#D3D3D3",
    "LightGrey": "#D3D3D3",
    "LightGreen": "#90EE90",
    "LightPink": "#FFB6C1",
    "LightSalmon": "#FFA07A",
    "LightSeaGreen": "#20B2AA",
    "LightSkyBlue": "#87CEFA",
    "LightSlateGray": "#778899",
    "LightSlateGrey": "#778899",
    "LightSteelBlue": "#B0C4DE",
    "LightYellow": "#FFFFE0",
    "Lime": "#00FF00",
    "LimeGreen": "#32CD32",
    "Linen": "#FAF0E6",
    "Magenta": "#FF00FF",
    "Maroon": "#800000",
    "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",
    "Navy": "#000080",
    "OldLace": "#FDF5E6",
    "Olive": "#808000",
    "OliveDrab": "#6B8E23",
    "Orange": "#FFA500",
    "OrangeRed": "#FF4500",
    "Orchid": "#DA70D6",
    "PaleGoldenRod": "#EEE8AA",
    "PaleGreen": "#98FB98",
    "PaleTurquoise": "#AFEEEE",
    "PaleVioletRed": "#DB7093",
    "PapayaWhip": "#FFEFD5",
    "PeachPuff": "#FFDAB9",
    "Peru": "#CD853F",
    "Pink": "#FFC0CB",
    "Plum": "#DDA0DD",
    "PowderBlue": "#B0E0E6",
    "Purple": "#800080",
    "RebeccaPurple": "#663399",
    "Red": "#FF0000",
    "RosyBrown": "#BC8F8F",
    "RoyalBlue": "#4169E1",
    "SaddleBrown": "#8B4513",
    "Salmon": "#FA8072",
    "SandyBrown": "#F4A460",
    "SeaGreen": "#2E8B57",
    "SeaShell": "#FFF5EE",
    "Sienna": "#A0522D",
    "Silver": "#C0C0C0",
    "SkyBlue": "#87CEEB",
    "SlateBlue": "#6A5ACD",
    "SlateGray": "#708090",
    "SlateGrey": "#708090",
    "Snow": "#FFFAFA",
    "SpringGreen": "#00FF7F",
    "SteelBlue": "#4682B4",
    "Tan": "#D2B48C",
    "Teal": "#008080",
    "Thistle": "#D8BFD8",
    "Tomato": "#FF6347",
    "Turquoise": "#40E0D0",
    "Violet": "#EE82EE",
    "Wheat": "#F5DEB3",
    "White": "#FFFFFF",
    "WhiteSmoke": "#F5F5F5",
    "Yellow": "#FFFF00",
    "YellowGreen": "#9ACD32"
}


if __name__ == '__main__':
    newColors = {}
    print '{'

    for k in sorted(colorTable):
        print "    '{}': {},".format(k, str(rgb(colorTable[k].replace('#', ''))))
        newColors[k] = rgb(colorTable[k].replace('#', ''))

    print '}'