White light is very important in lighting for theater, and initial attempts at introducing LEDs into fixtures were not widely adopted due to the inability to produce pleasing white light. However, LED color mixing has improved a lot since its initial introduction, and in the ETC Source 4 LUSTRs, lime is used (in addition to the typical RGB LEDS) to achieve a white light that matches conventional fixtures and also helps extend the color spectrum of these color-changing lights.
White light is very important in lighting for theater, and initial attempts at introducing LEDs into fixtures were not widely adopted due to the inability to produce pleasing white light. However, LED color mixing has improved a lot since its initial introduction, and in the ETC Source 4 LUSTRs, lime is used (in addition to the typical RGB LEDS) to achieve a white light that matches conventional fixtures and also helps extend the color spectrum of these color-changing lights.