return color.New(color.BgYellow).SprintfFunc()
		}
		return fmt.Sprintf
	}()

	Black = func() func(format string, a ...interface{}) string {
		if IsTerminal() {
			return color.New(color.FgBlack).SprintfFunc()
		}
		return fmt.Sprintf
	}()

	FgRed = func() func(a ...interface{}) string {
		if IsTerminal() {
			return color.New(color.FgRed).SprintFunc()
		}
		return fmt.Sprint
	}()

        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);
    }