def by_colorscheme():
    """
    Get appropriate style for highlighting according to
    NUMBA_COLOR_SCHEME setting
    """
    styles = DefaultStyle.styles.copy()
    styles.update({
        Name.Variable:        "#888888",
    })
    custom_default = type('CustomDefaultStyle', (Style, ), {'styles': styles})

    style_map = {
        'no_color' : custom_default,
        'dark_bg' : MonokaiStyle,
        'light_bg' : ManniStyle,
        'blue_bg' : NativeStyle,
        'jupyter_nb' : DefaultStyle,
    }

    return style_map[numba.core.config.COLOR_SCHEME]

    Get appropriate style for highlighting according to
    NUMBA_COLOR_SCHEME setting
    
numba/misc/dump_style.py