Hi,
The building is brand new and the walls were all painted by the contractors before I moved in. It's difficult to get a picture of the entire wall because it's a narrow hallway. The strong light above also distorts the colors a bit.
There is a boiler to the left of the blue door but it is...
Feel free to laugh at my stupidity :(
I tried to fix some patches on my walls using the same paint color and type (vinyl matt emulsion) but the areas became darker. So I decided to paint the entire wall again to fix this but the dark streak/patch is still there.
I've tried:
-Painting patch...