Color match for 2009 Stratos

[bigfoot17]

Recently got about a 3" scratch/gouge in the white part of my hull. It's a 285xl. Repaired it with marine tex which worked good but the repair is whiter than the rest of my hull which appears more of an off white. Wondering how to match color for some marine paint.
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[bigfoot17]

I'm thinking of purchasing the rustoleum oyster white marine paint.

[illinifish]

I use auto touch up paint for small scratches on my Stratos.