Lighting Companies Still Perfecting That 'Warm Glow'

A major complaint about strings of light-emitting diode bulbs (LEDs) is they don't have that warm glow of incandescent bulbs. The white and colored strings were can have a blue cast. Many companies are now selling warm and cool strings of LED holiday lights. 'They (light companies) are trying to perfect LEDs so it looks more like incandescent," said landscaping expert Phil Steinhauer.