Are the push/start buttons on Honda's reliable?

I've been wanting to buy a new Honda Civic sedan, but in order to get the color I want, I'd need to buy the Sport trim, which is a step up from the LX (base) trim. The LX has the traditional key start system, but only comes in four colors (with the 6 speed transmission).

Whichever car I get, I want it to last for decades/hundreds of thousands of miles. Do you believe the push start button would go that long trouble-free? Because I plan to keep the vehicle so long, I'd like to get the color I desire, but don't want to have problems later. Any advice?

You should be more concerned about the CVT transmission in the vehicle.
Push button systems work fine once you learn how to use them properly.

The absolute very last thing I would have ever worried about on a car is the push button start.

The second to last thing would be the color.