def is_valid_rgb_color(value):
    """Checks whether the value is a valid rgb or rgba color string.

    Valid colors consist of:

    - rgb(255, 255, 255)
    - rgba(23, 34, 45, .5)
    """
    if not value:
        return False

    regex = re.compile(RGB_COLOR_REGEX)
    return bool(regex.match(value))
def is_valid_rgb_color ( value ) : if not value : return False regex = re . compile ( RGB_COLOR_REGEX ) return bool ( regex . match ( value ) )
Checks whether the value is a valid rgb or rgba color string.

    Valid colors consist of:

    - rgb(255, 255, 255)
    - rgba(23, 34, 45, .5)