The color temperature comparison table of common LED lighting lamps. 

Halogen lamp 3000K 

Tungsten filament lamp 2700k 

High pressure sodium lamp 1950-2250k 

Candle light 2000K metal halide lamp 4000-4600k 

Cold color business lamp 4000-5000k 

High pressure mercury lamp 3450-3750k 

Warm color fluorescent lamp 2500-3000k 

Clear sky 80008500k cloudy day 6500-7500k 

Summer The sun is 5500k at noon and 4000K in the afternoon