Remember a white Ascent is not actually white....it's Crystal White Pearl which only looks white from afar. It's going to be hard to use a white wrap and not have it stand out as much, if not more than the chrome.
Maybe buy the part new and pristine then have a body shop prep and paint it to match. I woiuld have done this but the chrome would still be in the tail light and might not look so great. Oh, how I wish Subau made the rear end look like the concept vehicle!
rock' has the answer...if a match is desired, the only way is professional painting with careful matching. All these perl coats and other multi-factor colors are not consistently one color over a run of vehicles. Hence, the need for matching. Keep in mind this costs money. A "contrasting" color of wrap that works for you may very well be a lot more affordable!
Remember a white Ascent is not actually white....it's Crystal White Pearl which only looks white from afar. It's going to be hard to use a white wrap and not have it stand out as much, if not more than the chrome.