function rgbtohsl(r, g, b)
{
    var h
    var s
    var l
    var deltaR
    var deltaG
    var deltaB
    
    var min = Math.min(r, g, b)    //Min. value of RGB
    var max = Math.max(r, g, b)    //Max. value of RGB
    var delta = max - min          //Delta RGB value    
    
    l = (max + min) / 2

    if (delta == 0)
    {
        h = 0
        s = 0
    }
    else
    {
        if (l < 0.5)
        {
            s = delta / (max + min) 
        }
        else
        {
            s = delta / (2 - max - min)
        }
        
        deltaR = (((max - r) / 6) + (delta / 2)) / delta
        deltaG = (((max - g) / 6) + (delta / 2)) / delta
        deltaB = (((max - b) / 6) + (delta / 2)) / delta
        
        if (r == max)
        {
            h = deltaB - deltaG
        }
        else if (g == max)
        {
            h = (1/3) + deltaR - deltaB
        }
        else if (b == max)
        {
            h = (2/3) + deltaG - deltaR
        }
        
        if ( h < 0 ) { h += 1 }
        if ( h > 1 ) { h -+ 1 }
    }
    
    outlet(0, h, s, l)
    //outlet(1, s)
    //outlet(2, l)


}