function Color(r, g, b, a) {
	  this.r = parseInt(r || 0);
	  this.g = parseInt(g || 0);
	  this.b = parseInt(b || 0);
	  this.a = parseFloat((Math.round(a * 100) / 100 || 1));

	  this.loadHSL();
	}
A color instantiated with RGB between 0-255

Also holds HSL values