According to Carnival's press release, the Carnival Magic will be the first ship to have this new paint scheme. The Carnival Magic is currently in dry-dock in France and will leave dry-dock with the new paint design. The next ship to receive the paint scheme will be the Carnival Glory, which is scheduled for dry-dock in June 2021. Carnival did not mention the exact order for which ships will be next, but their press release other ships will receive the new colors as they go to dry-dock.
To View A Rendering Of The Carnival Magic's Exterior Paint Scheme:
This link will take you to Carnival's News website. The rendering of the Carnival Magic is at the bottom of Carnival's press release.