question: public static int [ ] HSLtoRGB ( float h , float s , float l , float alpha ) { if ( s < 0.0f || s > 100.0f ) { String message = "Color parameter outside of expected range - Saturation" ; throw new IllegalArgumentException ( message ) ; } if ( l < 0.0f || l > 100.0f ) { String message = "Color parameter outside of expected range - Luminance" ; throw new IllegalArgumentException ( message ) ; } if ( alpha < 0.0f || alpha > 1.0f ) { String message = "Color parameter outside of expected range - Alpha" ; throw new IllegalArgumentException ( message ) ; } h = h % 360.0f ; h /= 360f ; s /= 100f ; l /= 100f ; float q = 0 ; if ( l < 0.5 ) q = l * ( 1 + s ) ; else q = ( l + s ) - ( s * l ) ; float p = 2 * l - q ; int r = Math . round ( Math . max ( 0 , HueToRGB ( p , q , h + ( 1.0f / 3.0f ) ) * 256 ) ) ; int g = Math . round ( Math . max ( 0 , HueToRGB ( p , q , h ) * 256 ) ) ; int b = Math . round ( Math . max ( 0 , HueToRGB ( p , q , h - ( 1.0f / 3.0f ) ) * 256 ) ) ; int [ ] array = { r , g , b } ; return array ; }
target:  Convert HSL values to a RGB Color.