@Override
    public String toString() {
        return "{H: " + h + ", S: " + s + ", L: " + l + "}";
    }
A constant for color blue. Color components are:

<pre>
    Hue:        240
    Saturation: 100
    Lightness:  100
</pre>
src/main/java/org/apache/commons/imaging/color/ColorHsl.java