Golden Naked Oats is a type of Crystal malt, so I wouldn't add more Crystal malts in addition. In general, adding Crystal malt to hit a target color isn't the best option. Add whatever amount/type of Crystal to hit your target flavor, then make up the color difference with a dark roasted malt, or brewer's caramel if you have access to it.
I like Crystal in my ESB recipes at about 5-7%, although you can probably push it to 10% if that's your preference. 1469 is an excellent choice for yeast, and I think your hop schedule looks pretty good, too.
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