Human Centric Lighting

How does light impact us throughout the day?

Morning :

Cool, bright light suppresses melatonin and promotes alertness.

By adjusting light like nature does, HCL helps maintain a balanced, healthy rhythm throughout the day.

Afternoon :

Neutral white light supports focus and cognitive function.

Evening :

Warm, dimmed light prepares the body for rest by encouraging melatonin production.

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What are the benefits of HCL at work?

• Improves employee alertness and task performance

• Reduces visual fatigue and stress

• Promotes better sleep quality and recovery

• Enhances overall satisfaction and workplace atmosphere

Integrating HCL.

A Strategic Design Partnership.

Professionals involved in lighting planning—architects, consultants, engineers—are increasingly expected to go beyond standard compliance and deliver spaces that actively support human health and performance. Integrating Human Centric Lighting (HCL) into a project is not just a technical upgrade; it's a strategic step toward future-ready, user-centric design. Through expert support and collaborative tools, lighting manufacturers and partners can accompany design teams in the translation of biological lighting principles into concrete, specification-ready solutions.

This includes assistance with lighting scenarios aligned to circadian impact, system architecture using Tunable White and DALI-2 controls, and documentation that meets the requirements of WELL, BREEAM, and LEED certifications. It also ensures consistency with key regulations such as EN 12464-1 for lighting in workplaces and contributes to value-added architecture where well-being, performance, and sustainability go hand in hand.

How does light impact us throughout the day?

While HCL involves dynamic lighting scenarios, integration with presence sensors and daylight harvesting ensures optimal energy use. HCL becomes a tool not only for health, but also for sustainable architecture.

Where is HCL most relevant?

• Open-plan offices and flex workspaces

• Schools and higher education facilities

• Healthcare environments (e.g. recovery rooms, clinics)

• Residential care and mental health units

• Transportation hubs (airports, train stations)

• Tunable white LED modules with dynamic CCT control (2200K–6500K)

• Lighting management systems with time-based and sensor-driven control

• Scene programming for work, rest, transition, focus, or recovery

• Open protocol compatibility (DALI-2, KNX, BACnet)

• User adjustability via local interfaces or app

Key Technical Components for HCL Integration.

Resistance & Safety

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