main.py

import cv2

cap = cv2.VideoCapture(0)
cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1150)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 720)

while True:
    _, frame = cap.read()
    hsv_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
    # to get the centre of the frame
    height, width, _ = frame.shape

    cx = int(width / 2)
    cy = int(height / 2)

    # Pick pixel value
    pixel_center = hsv_frame[cy, cx]
    hue_value = pixel_center[0]
    color = "undefined"
    if hue_value < 5:
        color = "RED"
    elif hue_value < 20:
        color = "ORANGE"
    elif hue_value < 40:
        color = "YELLOW"
    elif hue_value < 64:
        color = "GREEN"
    elif hue_value < 85:
        color = "GREENISH BLUE"
    elif hue_value < 100:
        color = "LIGHT BLUE"
    elif hue_value < 127:
        color = "DARK BLUE"
    elif hue_value < 135:
        color = "VIOLET"
    elif hue_value < 170:
        color = "PINK"
    else:
        color = "RED"

    pixel_center_bgr = frame[cy, cx]
    b, g, r = int(pixel_center_bgr[0]), int(pixel_center_bgr[1]), int(pixel_center_bgr[2])

    cv2.putText(frame, color, (10, 70), 0, 2, (b, g, r), 2)
    cv2.circle(frame, (cx, cy), 5, (25, 25, 25), 3)

    cv2.imshow("Frame", frame)
    key = cv2.waitKey(1)
    if key == 27:
        break

cap.release()
cv2.destroyAllWindows()