What are your plans in the future?
All the het stuff is cool BUT doesnt fit with anything you have.
You could get a couple het girls and grow out until you get a compatable visual male.
To go with your current male...... That depends what you can afford. Talking hets I would assume the budget is limmited? Whatever you pair him to the minimum outcome would be a pastel. I would try to find a nice 2 gene female for him.
I am a pewter fan but it really depends what you like too.