darken_and_vivid_hex_color.py

import colorsys

def darken_and_vivid_hex_color(hex_color, darken_factor=0.2, vivid_factor=0.2):
    # Remove the hash at the start if it's there
    hex_color = hex_color.lstrip('#')

    # Convert hex to RGB
    rgb = tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4))
    
    # Normalize RGB values to the range [0, 1]
    norm_rgb = [x / 255.0 for x in rgb]
    
    # Convert RGB to HSV
    hsv = colorsys.rgb_to_hsv(*norm_rgb)
    
    # Apply darkening and vivid factors
    darkened_vivid_hsv = (
        hsv[0],  # Keep the hue the same
        min(1, hsv[1] + vivid_factor),  # Increase saturation
        max(0, hsv[2] * (1 - darken_factor))  # Decrease brightness
    )
    
    # Convert back to RGB
    darkened_vivid_rgb = colorsys.hsv_to_rgb(*darkened_vivid_hsv)
    
    # Convert RGB back to hex
    darkened_vivid_hex = '#{:02x}{:02x}{:02x}'.format(
        int(darkened_vivid_rgb[0] * 255),
        int(darkened_vivid_rgb[1] * 255),
        int(darkened_vivid_rgb[2] * 255)
    )
    
    return darkened_vivid_hex