The Kelvin attribute refers to the colour temperature of light, measured in degrees Kelvin (K). It helps buyers understand the warmth or coolness of the light, affecting the atmosphere of a space. Sellers use this to show whether a fitting is better for cosy interiors, workspaces, or daylight settings.

Term	Description
2700K Warm White	Soft, warm glow similar to traditional incandescent bulbs.
3000K Warm White	Slightly crisper warm light, common in residential spaces.
3500K Neutral White	Balanced light for mixed-use areas.
4000K Cool White	Bright and clean, popular for kitchens and offices.
5000K Daylight White	Very bright, mimics natural daylight.
6500K Cool Daylight	Cool, bluish tone often used in task-heavy or outdoor environments.