According to the search results, Radha Ranis favorite color is either blue or red. One source on Instagram states that her favorite color is Neelambari, which is a shade of blue. Another source describes Radha Ranis upper garment as red and her lower garment as the color of a blue cloud, which are both said to be Lord Haris favorite colors. A third source describes Radha Ranis complexion as golden and her dress color as red and blue. Therefore, it is unclear which color is her absolute favorite, as different sources provide different answers.