Walls are dark instead of lighter

I just begun the game (I never played before today). I already took a look at both posts I found about this, but none of the solutions work. Basically, when I paint a wall yellow (for example), it's ...

gameplay issue

Bluebellflora

Hero+

6 years ago

@Midevil_Chaos

Can you post a screenshot in-game showing how dark it is? Could you also post a screenshot of your in-game graphics settings please.

Midevil_Chaos
Seasoned Veteran
6 years ago
@Bluebellflora
- Bluebellflora
  Hero+
  6 years ago
  @Midevil_Chaos
  
  That looks normal to me. Have you tried different times of day? The house looks like it's all in the shade of a tree. Try adding a glass roof and see what effect that has on the rooms.
  - Midevil_Chaos
    Seasoned Veteran
    6 years ago
    @Bluebellflora Naw. I have another Sim, and one of the tiny rooms, for example, has 2 massive windows and the lights on. The only walls that are brighter are the ones literally where the windows are on. The rest are darker.