import click
from click_help_colors import HelpColorsGroup, HelpColorsCommand

@click.group(
    cls=HelpColorsGroup,
    help_headers_color='yellow',
    help_options_color='green'
)
def cli():
    pass

@cli.command()
@click.option('--count', default=1, help='Some number.')
def command1(count):
    click.echo('command 1')

@cli.command(
    cls=HelpColorsCommand,
    help_options_color='blue'
)
@click.option('--name', help='Some string.')
def command2(name):
    click.echo('command 2')

import click
from click_help_colors import HelpColorsGroup, HelpColorsCommand

@click.group(
    cls=HelpColorsGroup,
    help_headers_color='yellow',
    help_options_color='green',
    help_options_custom_colors={'command3': 'red', 'command4': 'cyan'}
)
def cli():
    pass


@cli.command(
    cls=HelpColorsCommand,
    help_headers_color=None,
    help_options_color=None,
    help_options_custom_colors={'--count': 'red', '--subtract': 'green'}
)
@click.option('--count', default=1, help='Count help text.')
@click.option('--add', default=1, help='Add help text.')
@click.option('--subtract', default=1, help='Subtract help text.')
def command1(count, add, subtract):
    """A command"""
    click.echo('command 1')

...

from click_help_colors import version_option

@click.group()
def cli():
    pass

@cli.command()
@version_option(
    version='1.0',
    prog_name='example',
    message_color='green'
)
def cmd1():
    pass

@cli.command()
@version_option(
    version='1.0',
    prog_name='example',
    version_color='green',
    prog_name_color='yellow'
)
def cmd2():
    pass

@cli.command()
@version_option(
    version='1.0',
    prog_name='example',
    version_color='green',
    prog_name_color='white',
    message='%(prog)s %(version)s\n   python=3.7',
    message_color='bright_black'
)
def cmd3():
    pass