I really don't think anyone can tell you whats on the boat now. You can match the paint color in any paint companys' line whether it's Imron or Awlgrip, but the surfaces are best repaired by the same product, so, buy a pint or quart of whatever is around and try to blend it in with the rest of your boat. Use it where your scratches are, see what it looks like. If it doesn't blend in right, try another product, untill you are happy. Thats the product you want to do the big areas in, and use from now on.
All these great 2 component paints are great and compatible, but its easier to repair in the same paint companys' line.
In the scheme of things you need to find this information out anyways and thats how to do it. Once you have a good match AND compatible paint , you are set and can repair to your hearts content.
If you can find a large paint distributor that carries both lines it would be a bonus since if your color is off and the paint doesn't blend in smoothly you can try to mix it lighter or darker in the other companys' paint line.
Once you get it right stick with that companys' product all the way through thinners, primers, paint , etc. since they are designesd to work together. Their chemists are probably better than what you can mix up in your shed.
Hope this helps.