In design, we often use white as the main color to create a bright and clean look. However, that can also make it difficult to control the lighting in the space. One way to solve this problem is by using a design concept called "Reverse slope". This means that instead of creating flat surfaces on top of each other, we create slopes so that light can be reflected back upwards and not spill onto adjacent areas.
This creates a unique visual effect where the light seems to bounce off at different angles depending on the position of the viewer and the time of day. This design technique is often used in interior spaces such as homes, restaurants or retail stores.