qiskit/visualization/state_visualization.py
def phase_to_color_wheel(complex_number):
    """Map a phase of a complexnumber to a color in (r,g,b).

    complex_number is phase is first mapped to angle in the range
    [0, 2pi] and then to a color wheel with blue at zero phase.
    """
    angles = np.angle(complex_number)
    angle_round = int(((angles + 2 * np.pi) % (2 * np.pi))/np.pi*6)
    color_map = {
        0: (0, 0, 1),  # blue,
        1: (0.5, 0, 1),  # blue-violet
        2: (1, 0, 1),  # violet
        3: (1, 0, 0.5),  # red-violet,
        4: (1, 0, 0),  # red
        5: (1, 0.5, 0),  # red-oranage,
        6: (1, 1, 0),  # orange
        7: (0.5, 1, 0),  # orange-yellow
        8: (0, 1, 0),  # yellow,
        9: (0, 1, 0.5),  # yellow-green,
        10: (0, 1, 1),  # green,
        11: (0, 0.5, 1)  # green-blue,
    }
    return color_map[angle_round]
def phase_to_color_wheel(complex_number):
    """Map a phase of a complexnumber to a color in (r,g,b).

    complex_number is phase is first mapped to angle in the range
    [0, 2pi] and then to a color wheel with blue at zero phase.
    """
    angles = np.angle(complex_number)
    angle_round = int(((angles + 2 * np.pi) % (2 * np.pi))/np.pi*6)
    color_map = {
        0: (0, 0, 1),  # blue,
        1: (0.5, 0, 1),  # blue-violet
        2: (1, 0, 1),  # violet
        3: (1, 0, 0.5),  # red-violet,
        4: (1, 0, 0),  # red
        5: (1, 0.5, 0),  # red-oranage,
        6: (1, 1, 0),  # orange
        7: (0.5, 1, 0),  # orange-yellow
        8: (0, 1, 0),  # yellow,
        9: (0, 1, 0.5),  # yellow-green,
        10: (0, 1, 1),  # green,
        11: (0, 0.5, 1)  # green-blue,
    }
    return color_map[angle_round]
def phase_to_color_wheel ( complex_number ) : angles = np . angle ( complex_number ) angle_round = int ( ( ( angles + 2 * np . pi ) % ( 2 * np . pi ) ) / np . pi * 6 ) color_map = { 0 : ( 0 , 0 , 1 ) , # blue, 1 : ( 0.5 , 0 , 1 ) , # blue-violet 2 : ( 1 , 0 , 1 ) , # violet 3 : ( 1 , 0 , 0.5 ) , # red-violet, 4 : ( 1 , 0 , 0 ) , # red 5 : ( 1 , 0.5 , 0 ) , # red-oranage, 6 : ( 1 , 1 , 0 ) , # orange 7 : ( 0.5 , 1 , 0 ) , # orange-yellow 8 : ( 0 , 1 , 0 ) , # yellow, 9 : ( 0 , 1 , 0.5 ) , # yellow-green, 10 : ( 0 , 1 , 1 ) , # green, 11 : ( 0 , 0.5 , 1 ) # green-blue, } return color_map [ angle_round ]
Map a phase of a complexnumber to a color in (r,g,b).

    complex_number is phase is first mapped to angle in the range
    [0, 2pi] and then to a color wheel with blue at zero phase.
Map a phase of a complexnumber to a color in ( r g b ) .