Color picker using cliclick log color in both r g b and hex string.

colorpicker.py

#!/usr/bin/env python3

from time import sleep
import subprocess

# brew install cliclick
def hexcol(c):
    hc = f'{hex(c)}'.replace("0x","")
    if(len(hc)<2):
        hc = f'0{hc}'

    return hc

def main():
    while True:
        color_string = subprocess.run(['cliclick', 'cp:.'], stdout=subprocess.PIPE).stdout.decode('utf-8')
        colors_rgb = color_string.replace("\n","").split(" ")
        r = int( colors_rgb[0] )
        g = int( colors_rgb[1] )
        b = int( colors_rgb[2] )
        hexcolor = f'#{hexcol(r)}{hexcol(g)}{hexcol(b)}'
        print("red: {:>3}, green: {:>3}, blue: {:>3} - hex: {}".format(r,g,b,hexcolor))
        sleep(1) 

if __name__ == '__main__':
    main()

Example:

$ python colorpicker.py 
red:   5, green:   2, blue:   7 - hex: #050207
red:  25, green:  25, blue:  25 - hex: #191919
red: 244, green: 245, blue: 245 - hex: #f4f5f5
red: 244, green: 245, blue: 245 - hex: #f4f5f5
red:  22, green:  27, blue:  34 - hex: #161b22
red:  22, green:  27, blue:  34 - hex: #161b22