python-embroidery/embroidery_thread.py at master · CatherineH/python-embroidery · GitHub

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from numpy import argmin

pecThreads = [[[0, 0, 0], "Unknown", ""],
              [[14, 31, 124], "Prussian Blue", ""],
              [[10, 85, 163], "Blue", ""],
              [[0, 135, 119], "Teal Green", ""],
              [[75, 107, 175], "Cornflower Blue", ""],
              [[237, 23, 31], "Red", ""],
              [[209, 92, 0], "Reddish Brown", ""],
              [[145, 54, 151], "Magenta", ""],
              [[228, 154, 203], "Light Lilac", ""],
              [[145, 95, 172], "Lilac", ""],
              [[158, 214, 125], "Mint Green", ""],
              [[232, 169, 0], "Deep Gold", ""],
              [[254, 186, 53], "Orange", ""],
              [[255, 255, 0], "Yellow", ""],
              [[112, 188, 31], "Lime Green", ""],
              [[186, 152, 0], "Brass", ""],
              [[168, 168, 168], "Silver", ""],
              [[125, 111, 0], "Russet Brown", ""],
              [[255, 255, 179], "Cream Brown", ""],
              [[79, 85, 86], "Pewter", ""],
              [[0, 0, 0], "Black", ""],
              [[11, 61, 145], "Ultramarine", ""],
              [[119, 1, 118], "Royal Purple", ""],
              [[41, 49, 51], "Dark Gray", ""],
              [[42, 19, 1], "Dark Brown", ""],
              [[246, 74, 138], "Deep Rose", ""],
              [[178, 118, 36], "Light Brown", ""],
              [[252, 187, 197], "Salmon Pink", ""],
              [[254, 55, 15], "Vermillion", ""],
              [[240, 240, 240], "White", ""],
              [[106, 28, 138], "Violet", ""],
              [[168, 221, 196], "Seacrest", ""],
              [[37, 132, 187], "Sky Blue", ""],
              [[254, 179, 67], "Pumpkin", ""],
              [[255, 243, 107], "Cream Yellow", ""],
              [[208, 166, 96], "Khaki", ""],
              [[209, 84, 0], "Clay Brown", ""],
              [[102, 186, 73], "Leaf Green", ""],
              [[19, 74, 70], "Peacock Blue", ""],
              [[135, 135, 135], "Gray", ""],
              [[216, 204, 198], "Warm Gray", ""],
              [[67, 86, 7], "Dark Olive", ""],
              [[253, 217, 222], "Flesh Pink", ""],
              [[249, 147, 188], "Pink", ""],
              [[0, 56, 34], "Deep Green", ""],
              [[178, 175, 212], "Lavender", ""],
              [[104, 106, 176], "Wisteria Violet", ""],
              [[239, 227, 185], "Beige", ""],
              [[247, 56, 102], "Carmine", ""],
              [[181, 75, 100], "Amber Red", ""],
              [[19, 43, 26], "Olive Green", ""],
              [[199, 1, 86], "Dark Fuschia", ""],
              [[254, 158, 50], "Tangerine", ""],
              [[168, 222, 235], "Light Blue", ""],
              [[0, 103, 62], "Emerald Green", ""],
              [[78, 41, 144], "Purple", ""],
              [[47, 126, 32], "Moss Green", ""],
              [[255, 204, 204], "Flesh Pink", ""],
              [[255, 217, 17], "Harvest Gold", ""],
              [[9, 91, 166], "Electric Blue", ""],
              [[240, 249, 112], "Lemon Yellow", ""],
              [[227, 243, 91], "Fresh Green", ""],
              [[255, 153, 0], "Orange", ""],
              [[255, 240, 141], "Cream Yellow", ""],
              [[255, 200, 200], "Applique", ""]]


def nearest_color(in_color):
    # if in_color is an int, assume that the nearest color has already been find
    if isinstance(in_color, int):
        return in_color
    if in_color is None:
        return in_color
    if "red" in dir(in_color):
        in_color = [in_color.red, in_color.green, in_color.blue]
    try:
        in_color = [float(p) for p in in_color]
    except:
        print("failed with in_color", in_color)
    return int(argmin(
        [sum([(in_color[i] - color[0][i]) ** 2 for i in range(3)]) for color in pecThreads
         if color[1] != 'Unknown']) + 1)