Understanding Color Temperature (Kelvin)

What Is Kelvin in Lighting?

A simple guide to understanding light color temperature and choosing the right lighting for every space

Kelvin is the unit used to measure the color temperature of light, and it is represented by the letter K.

It does not measure the actual heat of the lamp. Instead, it defines the appearance of the light, whether it looks warm yellow, neutral white, or cool bluish white.

How Does Kelvin Affect Light Color?

The lower the Kelvin value, the warmer and more yellow the light appears.

The higher the Kelvin value, the whiter and cooler the light becomes, sometimes with a slightly bluish tone.

2500K - 3000K

Warm White lighting that creates a cozy and relaxing atmosphere, ideal for bedrooms, lounges and relaxation areas.

4000K

Neutral White lighting that provides a balanced and natural appearance, suitable for kitchens, offices and work areas.

6500K

Cool White lighting that delivers strong and bright illumination, suitable for practical areas, workshops, storage rooms and service spaces.

Choosing the Right Kelvin

Bedrooms: 2700K – 3000K
Living Rooms: 3000K – 4000K
Kitchens: 4000K
Offices: 4000K – 5000K
Warehouses & Workshops: 5000K – 6500K

Summary

Choosing the right Kelvin temperature helps you create a comfortable, practical and visually balanced atmosphere based on the purpose of each space.

Understanding Color Temperature (Kelvin)