Colors and light intensity have a great impact on daily life work and helps boost work efficiency. The color is used to change once mood, treat various psychological illness, and increase brain hormonal activities up to a certain extent. The light plays a significant role in making the surrounding cooler than usual. These colors affect the eyes and it is very important to keep the surrounding light color and brightness adjusted to a certain limit. Color with low brightness increases hormonal activity at night and sleep rate. Smart bulb uses three primary color Red, Green and Blue (RGB) for making different colors. The Smart Bulb is designed to change color and vary the intensity of the room or the workplace enhancing the working efficiency. Smart Bulb pairs with android application designed to provide an interface to control the bulb. The Smart Bulb utilizes inbuilt temperature and humidity sensors to collect environmental data and changes the intensity of the bulb accordingly. It also has special features like music control RGB pattern which varies its light according to the musical rhythm, bass, and treble. The android application in this paper is used for many applications for example to control various features like intensity and color of smart bulb, display temperature and humidity data on smart phone, switches on and off the bulb, gives notification alert by changing its color.