Colorful Apartment Interior Design, Ides to Create Cheerful Atmosphere at Home. If you want to make your interior more attractive and has cheerful atmosphere, might this photo of interior apartment can be inspiration source for you. This very colorful apartment interior was designed by one of the member club of Ikea Family Club. Gitte’s apartment, used a lot of paint to change the look of ordinary objects. With creative ideas and well organized your home interior can be more fun and happy like this apartment.