color_manip.py

from colour import Color


def to_hex_string(color: list) -> str:
    c = Color(hsl=tuple(color))
    return c.hex


def to_hsl(color: str):
    color = Color(color)
    return color.hsl


def get_shades(color: str, shades_count: int = 5, change_by: int = 0.1):
    """ input: hex """
    hsl = to_hsl(color)
    shades = []
    for i in range(shades_count):
        shade = list(hsl)
        shade[2] = hsl[2] + i * change_by
        if shade[2] < 0:
            shade[2] = 0
        shades.append(to_hex_string(shade))
    return shades


def get_nearby_shades(color: str):
    lighter_shades = list(reversed(get_shades(color)))
    darker_shades = get_shades(color, change_by=-0.1)
    shades = lighter_shades + [color] + darker_shades
    return shades


print("\n".join(get_nearby_shades("#ab00ab")))