Until it's fully painted and lacquered you've no way of telling how good the match is.

When I did my 1/4 panel ( main body with proper paint and filler cap with mixed aerosol ) the match looked fucking awful until I had lacquered it all. And then it was great.

I actually tried using an aerosol lacquer at first and again...bloody awful. But proper 2k lacquer over it and I was amazed at the difference