public static final String ANSI_BLACK_BACKGROUND = "u001B[40m";
public static final String ANSI_RED_BACKGROUND = "u001B[41m";
public static final String ANSI_GREEN_BACKGROUND = "u001B[42m";
public static final String ANSI_YELLOW_BACKGROUND = "u001B[43m";
public static final String ANSI_BLUE_BACKGROUND = "u001B[44m";
public static final String ANSI_PURPLE_BACKGROUND = "u001B[45m";
public static final String ANSI_CYAN_BACKGROUND = "u001B[46m";
public static final String ANSI_WHITE_BACKGROUND = "u001B[47m";