Wellcraft V20 Community - Gelcoat Color

I can't have my bimini top up at the same time I have the outriggers up. The bimini gets in the way with the outriggers vertical. I need to move my outrigger gunnel mounts rearward so that I can use both at the same time. When I move the outriggers, I will need to fiberglass the hole. I also have some shallow cracks in the fiberglass that I want to repair. I want my repair to be as invisible as possible so knowing the gelcoat color is important. I am not going to cover the hole repair with gelcoat however. Too hard matching faded gelcoat to new gelcoat. I am going to use a paint such as Interlux, (don't remember the name) but it comes in about 8 different shades of white. Some of the names are; "Matterhorn White", "Offwhite", "Oyster White", etc.etc.etc.

Does anyone know the closest color name to Wellcraft V20 gelcoat?? My V20 is a 1984 model. I want to start with the original color and blend it down until I get a match. I also want to get rid of a boat name that I can see through some paint on the transom. (I will have the proper name change ceremony to appease Neptune when I change the name!!) I have a very complete set of paint spray tools and experience using them so I am not considering covering the repairs with gelcoat. Thanks in advance for your replies!!