attributeOptions.add(2);
        attributeOptions.add(r & 0xff);
        attributeOptions.add(g & 0xff);
        attributeOptions.add(b & 0xff);
        return this;
    }

    public Ansi fgBlack() {
        return this.fg(Color.BLACK);
    }

    public Ansi fgBlue() {
        return this.fg(Color.BLUE);
    }

    public Ansi fgCyan() {
        return this.fg(Color.CYAN);
    }