Some LED lights are designed to generate only one color. However, if you purchase RGB LED or dream color lights, you'll have multiple-hue LEDs and will be able to utilize their potential.u003cbru003eu003cbru003eRGB goes for red, green, and blue which means that those lights have three diodes and one bulb. Each diode is 'responsible' for one color. As these colors are primary, other colors can be generated with various combinations of red, blue, and green.