When I made this room with the glass wallpaper from the Greenhouse Haven kit the lighting is very yellow all day and night. If I removed the wallpaperand in this case used a wallaper from Growing Together (same as the rest of the house) the lighting behaves more normally.
The only light in the room in both of these images is the cat lamp. It is set to neutral white and is on in both images.
Greenhouse Haven Walls on both walls with the windows
Growing Together walls
I have both MCCC and UI Cheats installed. I play on PC with Windows 11. I have a good amount of packs (but not all).
This is the Bedlington Boathouse lot in Brindleton Bay.
Edit By crinrict: Added Tag to Title, Adjusted Title