Soft white bulbs also referred to as warm white bulbs are typically best for rooms that you want to have a soft cozy feel.
Soft white light bulbs vs warm white. Light bulbs with Kelvin values less than 2000K give off dim glows of light. Soft vs warm light is all about the feeling of these inviting light qualities. Both incandescent and LED bulbs offer soft white and daylight options.
Cool White This colour temperature has blue or cool tones. Since it makes people feel calm and cozy the light is ideal to use in bedrooms living rooms or hallways. It emits a soft soothing and relaxing light which is great for ambience.
The majority of Philips LED lighting products provides 2700 Kelvin which is warm white light. Unlike Daylight LED lights soft white is more rich in yellow and red thus producing a warm light. Soft white has a color temperature range of 2700 to 3000K.
The higher the Kelvin value the whiter the light. The warmest colored light bulbs have a Kelvin around 2700 and the coolest blue light is at 6500. Soft white bulbs usually measure around 2700 Kelvin.
The lower Kelvin value bulbs are more warm or yellow the bulb will look. This is due to the fact that they both reflect the same warm colours. There is no discernible distinction between soft white and warm white.
Soft white bulbs are best for creating a warm cozy feeling in a space and can bring out the best in a room featuring earth tones. Soft white 2700 to 3000 Kelvin is warm and yellow the typical color range you get from incandescent bulbs. As an incandescent or halogen bulb is dimmed it becomes even warmer -- slightly orange -- in appearance.

