function modifyHSL(color, h, s, l) {
	        color = parse(color);

	        if (color) {
	            color = rgba2hsla(color);
	            h != null && (color[0] = clampCssAngle(h));
	            s != null && (color[1] = parseCssFloat(s));
	            l != null && (color[2] = parseCssFloat(l));

	            return stringify(hsla2rgba(color), 'rgba');
	        }
	    }
Insert a new value at the tail
@param  {} val
@return {module:zrender/core/LRU~Entry}