Introduction – Why Office Lighting Matters

Lighting in the workplace is often overlooked, yet it has a direct impact on productivity, comfort, and well-being. Poorly designed office lighting can cause headaches, eye strain, and fatigue. On the other hand, a well-planned lighting system helps employees stay alert, improves focus, and creates a welcoming atmosphere for clients.

Natural vs. Artificial Light in the Workplace

Natural daylight is the best source of illumination, but it’s not always available in every corner of the office. That’s where artificial lighting steps in. A successful office design combines both: maximizing daylight while using efficient LED lighting to maintain consistent brightness throughout the day.

Key Factors to Consider in Office Lighting

Brightness & Lumen Levels

An office should be lit with enough brightness to support detailed tasks without straining the eyes. Typically, workstations require 300–500 lux, while meeting rooms may need slightly higher levels.

Color Temperature

Cool white light (4000K–5000K) helps maintain focus and energy during working hours, while warmer tones (3000K) can be more suitable for lounges or breakout zones.Nowadays ,DALI CCT dimmable (DT8) and Casambi wireless smart controller is widely applied for office lighting.It hugely support HCL (Human Central Light) ,CCT and brightness can be automatically adjustable to meet human’s Circadian rhythm.For example,when staffs arrival office in morning,the Color temperature can be 3000K for relaxing ,then the CCT gradually up to 4000K ,it will make people more  energetic and high productivity.

Glare Control & UGR

Uncontrolled glare is one of the most common complaints in offices. Choosing lighting with a low UGR (Unified Glare Rating) ensures comfort and prevents eye strain.

Based on the glaring effect of a fixture, the UGR ranges from 5 to 40. If you want to have glare-free lighting, choose a fixture with low UGR. This allows you to work comfortably without causing eye strain. In contrast, a high UGR> 28 will cause you excessive glaring issues.

Energy Efficiency

Modern LED lighting not only saves electricity but also reduces maintenance costs. Offices can further improve efficiency with smart lighting controls like occupancy sensors and daylight harvesting.