The yellow bug lights you see in stores usually have a color temperature between 2,000 and 2,700 kelvins. The lower end of that spectrum (2,000 kelvins) will provide an orangey, amber light and ...

LED masks are wearable devices that use light ... which can reduce the appearance of dark spots and hyperpigmentation over time. Yellow Light (570-590 nm): Yellow light is often used for its ...