With your choice of colors (...and perhaps excluding the blue), I think the set would show style while still conforming with the commonly accepted unit colors w/o having numeral graphics; though there's nothing wrong with denominations as Dale's book illustrates thousands of them. Also, you might want to consider an over-sized 'dealer chip' which will add even more style to the set.

Good luck with your choice... and for some reason I think I know what the 'dealer chip' will look like.