I understand that I'm in the minority in these conversations. I like having some black in the jerseys and don't love the retros.
However, if the Flames are going to head in that direction, I'd be much more on board with something like this:
My biggest problem with the retros is how McDonald's they feel. Bright red and bright yellow is just too much. But a darker red (almost maroon) and a creamier yellow works together very well.