freqtrade_origin/freqtrade/templates/subtemplates/plot_config_full.j2

plot_config = {
    # Main plot indicators (Moving averages, ...)
    'main_plot': {
        'tema': {},
        'sar': {'color': 'white'},
    },
    'subplots': {
        # Subplots - each dict defines one additional plot
        "MACD": {
            'macd': {'color': 'blue'},
            'macdsignal': {'color': 'orange'},
        },
        "RSI": {
            'rsi': {'color': 'red'},
        }
    }
}