The modern Rainbow Hotel Spectrum is located on a quiet pedestrian street in Oslo city center, within 500 meters of Karl Johans Gate and Central Station, one kilometer from Aker Brygge harbor. The 151 guestrooms have a light contemporary decor with simple modern furnishings in pale tones of blue and cream. Bathrooms are complete with bathtub/handheld shower combos, bathrobes, and hair dryers and all rooms are equipped with cable television, pay movies, telephones, minibars and tea/coffee making facilities.
Although the hotel does not have its own restaurant, a buffet breakfast is served each morning in the breakfast room or out on the terrace in summertime. Staff on the 24 hour front desk can help guests get an early start with a wake up call, and can exchange currency and advise on local attractions in the city. Business guests can make use of conference rooms and high speed Internet access. After a busy day, guests can relax with a book or newspaper from the lounge or enjoy a drink on the sunny terrace. From the hotel guests can visit many of Oslo's attractions, take a boat excursion from Aker Brygge or head out to see Viking ships at the Norwegian Folk Museum, ten kilometers away. Oslo Airport Gardermoen is 48 kilometers away, and express trains run every 20 minutes to Oslo Central Station, costing NOK 150.