from PyQt5.QtGui import QColor # creating a QColor object with blue color blue_color = QColor(0, 0, 255) # getting the blueF value of the color blue_intensity = blue_color.blueF() print(blue_intensity) # output: 1.0
from PyQt5.QtGui import QColor # creating a QColor object with blue color blue_color = QColor(0, 0, 255) # decreasing the blue component's intensity by 0.2 blue_color.setBlueF(blue_color.blueF() - 0.2) # getting the new blueF value of the color new_blue_intensity = blue_color.blueF() print(new_blue_intensity) # output: 0.8This example shows how to change the intensity of the blue component in a QColor object. We first create a QColor object with an RGB value of (0, 0, 255) which is blue. Then we decrease the blue component's intensity by 0.2 using the `setBlueF()` method. Finally, we get the new blueF value using the `blueF()` method and print it. The output would be 0.8, which means the blue component's intensity has been reduced to 80%. Both examples use the PyQt5 library.