https://github.com/KSP-RO/RealSolarSystem/blob/c14ead2774cc97c0af2dff7cf5acb4c81cd332f7/GameData/RealSolarSystem/Compatibility/PlanetShineColors.cfg#L215 This should be 2.
RealSolarSystem/GameData/RealSolarSystem/Compatibility/PlanetShineColors.cfg
Line 215 in c14ead2
This should be 2.