    @Test
    public void testGetSaturation() {

        System.out.println("---- getSaturation -----");

        Color colorA    = Color.BLACK;
        Float expResult = (float) 0.0;
        Float result = ColorConverter.getSaturation(colorA);
        System.out.println("BLACK - Saturation: ["+ result +"]");
        assertEquals(expResult, result);

        colorA    = Color.WHITE;
        expResult = (float) 0.0;
        result = ColorConverter.getSaturation(colorA);
        System.out.println("WHITE - Saturation: ["+ result +"]");
        assertEquals(expResult, result);

        colorA    = new Color(70, 136, 71); // #468847 = rgb(70, 136, 71) = hsl(120, 32%, 40%)
        expResult = (float) 0.4852941;
        result = ColorConverter.getSaturation(colorA);
        System.out.println("rgb(70, 136, 71) - Saturation: ["+ result +"]");
        assertEquals(expResult, result);

    }