Turning RGB values into HSL values in a random Javascript

[nCor]

I have a random color overlay on the media-boxes of this site. http://www.reportageborsen.se/reportageborsen/wordpress/I had some really good help from the mates here at stackoverflow wich resulted in this script:\[code\]var getRandomInRange = function(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min;};$('.media-box').each(function() { var mediaBox = $(this); var mask = mediaBox.find('.mask'); var hue = 'rgb(' + getRandomInRange(100, 255) + ',' + getRandomInRange(100, 255) + ',' + getRandomInRange(100, 255) + ')'; mask.css({ backgroundColor : hue, opacity : 0.7 }); mediaBox.hover(function() { mask.stop(true, true).fadeIn(); }, function() { mask.stop(true, true).fadeOut(); });});?\[/code\]Fiddle link: http://jsfiddle.net/b5ZPq/3/However, I would love to have more of the brighter colors and less of the greyish ones. I understand that it can be done with HSL values instead of RGB values. So I tried to convert the css background rgb values to hsl values and also converted the script, but I didn't get it to work.\[code\]var getRandomInRange = function(min, max) { return Math.floor(Math.random() * (max - min + 1), 10) + min;};$('.media-box').each(function() { var mediaBox = $(this); var mask = mediaBox.find('.mask'); var hue = 'hsl(' + getRandomInRange(0, 360) + ',' + getRandomInRange(70, 100) + '%' + getRandomInRange(45, 55) + '%)'; mask.css({ backgroundColor: hue, opacity: 0.7 }); mediaBox.hover(function() { mask.stop(true, true).fadeIn(); }, function() { mask.stop(true, true).fadeOut(); });});?\[/code\]http://jsfiddle.net/zolana/Kc9U4/5/(the fiddle, updated, working:http://jsfiddle.net/zolana/Kc9U4/9/)(I'm not looking for a script that converts all the RGB values to HSL values (I know there are scripts with that purpose) rather to have a solid script for this specific task.)