My car is carbon black. When I fitted the all black grill it looked a bit lost, so I bought some stick on 3.5mm chrome strips to accent the vertical fins. Much better I think
http://www.ebay.co.uk/itm/3-5-MM-CHR...item1c2a5f8703
Be prepared to struggle a bit to unclip the original grills. Access is difficult and you will graze your knuckles. The new ones just push in