Pass decimal to hexadecimal RGB representation

rgb.py

def rgb(r, g, b):
    dictionary = {0: 0,
                  1: 1,
                  2: 2,
                  3: 3,
                  4: 4,
                  5: 5,
                  6: 6,
                  7: 7,
                  8: 8,
                  9: 9,
                  10: 'A',
                  11: 'B',
                  12: 'C',
                  13: 'D',
                  14: 'E',
                  15: 'F',
                  }

    r = (0 if r < 0 else r) and (255 if r > 255 else r)
    g = (0 if g < 0 else g) and (255 if g > 255 else g)
    b = (0 if b < 0 else b) and (255 if b > 255 else b)
    r1 = f'{dictionary[int(r // 16)]}{dictionary[int(r % 16)]}'
    g1 = f'{dictionary[int(g // 16)]}{dictionary[int(g % 16)]}'
    b1 = f'{dictionary[int(b // 16)]}{dictionary[int(b % 16)]}'
    return f'{r1}{g1}{b1}'