They've had loyalty program color coded cards on all the cruise lines we've been on in the last 10 years or so. Also, airlines, hotels, rental car companies, etc all have color coded cards based on your loyalty status with the company --so it's pretty much a standard thing in the travel industry and not at all unique to Regent.
🚢 Cruise with your favorite Keene Luxury Travel Staff Member! 💰 5% KLT Reward plus Shipboard Credit available (amount varies per voyage)! 💲 Offering Enhanced KLT Rewards on voyages hosted by Ngaire & Clay!
