I read this book, but I only thought of such a parallel after your wonderful words.
Green and blue colors will now show their essence in the best possible way. Ram and Priya will start a new life under the light of the sun. There are spots on the sun - a secret between them, but we know that these spots do not make the sun less hot and bright, which means that these spots will be cleared.
In addition, green is the color of hope and blue is the color of heaven, they tell us that love will definitely turn each of them to the right road, which is why Ram turned and left Vedika for Priya, and Priya agreed to Ram's proposal to go together, not to her home - in the past, they are moving towards the future