public String toHsla() {
        float[] HSL = convertToHsl();
        return "hsl(" + Math.round(HSL[0]) + "," + Math.round(HSL[1]) + "%," + Math.round(HSL[2]) + "%," + a + ")";
    }
public String toHsla ( ) { float [ ] HSL = convertToHsl ( ) ; return "hsl(" + Math . round ( HSL [ 0 ] ) + "," + Math . round ( HSL [ 1 ] ) + "%," + Math . round ( HSL [ 2 ] ) + "%," + a + ")" ; }
Returns the CSS3 HSLA representation, e.g. hsl(120, 100%, 50%,
0.5)