How do I identify a white light bulb?

Which light bulbs are white?

Bulbs that provide light at around 3000K to 3500K may be considered “white” or “soft white.” Bulbs that provide light at around 4100K to 5000K are considered “cool white” and these start to have a slightly blue feel to them.

How do you know if a light bulb is yellow or white?

Light color or appearance is measured on the Kelvin (K) temperature scale, and it’s the difference in soft white versus daylight bulbs. Lower Kelvin numbers mean more yellow light; the higher the Kelvin number, the whiter or bluer the light.

How can I tell what color my light bulb is?

A Light’s color is often measured by color temperature, represented in Kelvin (K). The “warmer” the light, the lower the color temperature. Warm yellow home lights usually have a color temperature of around 2700K, while cold white light range up over 5000K.

What’s the difference between daylight and cool white?

Cool white bulbs fall in the range of 3100K to 4500K. The light appears as a bright, neutral white that shades into blue at the upper end of this range. Daylight bulbs have color temperatures that begin at 4600K and can range up 6500K or higher.

How do I identify a white light bulb?

Understanding Lightbulb Color

Put simply, the color temperature of light is rated in degrees Kelvin. The lower the Kelvin number (between 2700K to 3000K), the more yellow the light. Higher Kelvin numbers, say 5500K to 6500K, emit a bluer light. For a white light, look for bulbs marked 3500K to 4100K.

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