从颜色数组中查找最匹配的RGB颜色

def find_closest_color(rgb_color, color_array):
    closest_color = None
    min_diff = float('inf')  # 初始化最小差异为无穷大

    for color in color_array:
        diff = calculate_color_difference(rgb_color, color)
        if diff < min_diff:
            min_diff = diff
            closest_color = color

    return closest_color

def calculate_color_difference(color1, color2):
    r1, g1, b1 = color1
    r2, g2, b2 = color2

    diff = ((r1 - r2) ** 2) + ((g1 - g2) ** 2) + ((b1 - b2) ** 2)
    return diff

color_array = [(255, 0, 0), (0, 255, 0), (0, 0, 255), (255, 255, 255), (0, 0, 0)]
rgb_color = (128, 128, 128)

closest_color = find_closest_color(rgb_color, color_array)
print(closest_color)