Warm white generally means a yellow-ish type of white and cool white means a blue-ish kind of white.
Cool white color temperature. 2800k color temperature - Extra Warm White. A standard 60 W bulb will give a warm glow of about 2700K while most fluorescent lamps have a white light that is mostly neutral of. If a neutral white light is important to you look for color temperatures between 3100K and 4500K.
How to Choose the Right Kelvin Color Temperature. 4000k color temperature - Cool White. Color temperature ranges from 4100K to 5500K is suggested.
The Range of Color Temperature of Different Light Bulbs. It refers to how warm or cool something appears when lit by that source ie candles are around 1800-2000 K while sunlight on an overcast day might be as low as 4000 K and regular light bulbs around 2700 K. Color temperature describes a color in terms of how warm or cool it is.
Bulbs of this colour temperature are versatile and can be used in busier rooms such as waiting rooms receptions offices and schools. Cool warm and daylight are pretty imprecise terms though. As kitchens bathrooms light should be bright cool white suggested color temperature range between 3000K and 5500K.
Over 5000k colour temperatureare called cool colors white lower color temperatures2700k-3000k are called warm colors. Color temperatures between 3100K and 4500K are referred to as cool white or bright white Light bulbs within this range will emit a more neutral white light and may even have a slightly blue tint. Cool white light bulbs have none of the warm yellow glow of warm white light bulbs.
The light they emit is much crisper and is well suited to more stimulating environments like kitchens and. These range from cool white to bright white with the higher temperatures starting to show a slightly blue tint. Many of our customers are now familiar with the idea of a warm white or a cool white being offered by fluorescent and other light bulbs.

