You need to take your time mixing for color matching.
The Evercoat Gelcoat Match & Patch Repair Kit permanently repairs nicks, gouges and scratches in fiberglass hulls and decks. Repair … Apply a small …

Blend coloring agents to achieve a match to almost any color. You can also use a neutral gelcoat which can be used with the coloring agents to make any custom gelcoat color… Don't add the hardener until you have the gerl mix color … Another option is buying a neutral based or white gel coat and adding pigments to get as close to your color …

For larger amounts of gelcoat, we also have over 12 premixed colors of gel coat to choose from (available in quart and gallons) .

A little color tint goes a long way. For smaller repairs you should consider a gelcoat repair kit (available in 1oz and 4 oz kits) that include a gelcoat paste and the tints for custom matching. Handy pack of materials for color matching and repairing gel coat chips. It needs to be at least the size of a quarter. Decide which color pigment provided in the gelcoat repair kit is most similar to the color you want to match. There are a few ways you can try to match your gel coat for a repair. First, if you have a piece of the old gel coat, you can send it to us and we can match it. Conducting a test patch is a good way to find the correct gelcoat color match.