Apache NetBeans 17

InputOutput io = IOProvider.getDefault().getIO("test", true);

// change default color for output in corresponding tab
if (IOColors.isSupported(io)) {
    IOColors.setColor(io, IOColors.OutputType.OUTPUT, Color.GRAY);
}

// print line in specific color
if (IOColorLines.isSupported(io)) {
    IOColorLines.println(io, "Green line", Color.GREEN);
}


class L implements OutputListener {
//...
}

// print parts of line in specific color
if (IOColorPrint.isSupported(io)) {
    IOColorPrint.print(io, "Green part", Color.GREEN);
    IOColorPrint.print(io, " pink part", Color.PINK);
    IOColorPrint.print(io, " hyperlink with custom color", new L(), false, Color.MAGENTA);
}