The designers in the source caution that intense red, orange, and yellow can dominate a small apartment. They also note that deep brown or navy may feel heavy, while an unsuitable white can appear clinical. These are design judgments rather than universal effects.

Test Apartment Paint Colors in the Light You Actually Have

Warm off-white is offered as an alternative, with stronger colors used in smaller accents. Test samples under the studio's daylight and evening lighting before committing. Consider fixed flooring and furniture too, since the wall color will be seen alongside them throughout the open room.