Do away with normal fluorescent tubes, spot lights and fanciful color bulbs.
There is many energy saving lamps available in the market. Go for CFL (Compact Fluorescent Lamps). It is an energy saving superstar.
On average, a CFL consume 75% less energy than standard incandescent bulbs and last about 10 times longer. It also produce 75% less heat which means you are cutting down energy cost in cooling your home. It comes in different shapes and sizes that suits your need. It has the shapes of Spiral Twist, Tube, Round, Oval etc. It goes well both indoor and outdoor.
Go shopping for CFL....wait no more !!!