Lighting Design
Knowledge Hub
A clustered library of architectural lighting design articles, written from project practice, validated through simulation, and free to read.
Pick a discipline
Lighting Fundamentals
First principles, layers, fixtures, colour temperature, beam angle, CRI and circadian thinking.
Residential Lighting
Villas, apartments and homes, room-by-room lux, layering, scenes and automation.
Commercial Lighting
Offices, retail, showrooms and workplaces, UGR, lux standards, energy and comfort.
Hospitality Lighting
Hotels, restaurants, lobbies, bars and resorts, lighting designed around guest experience.
Landscape & Facade
Gardens, pools, trees, pathways and building exteriors, light after dark.
Technical Lighting
Lux, lumens, UGR, uniformity, DIALux simulation, calculations, visual comfort and energy.
Start here
The articles new readers turn to first, the foundational reading for architects, designers and developers.

Fundamentals
What is Architectural Lighting Design?
A practical definition of architectural lighting design, what it is, what it is not, and how a lighting designer thinks differently from a fixture supplier.

Fundamentals
The 3 Layers of Lighting: Ambient, Task and Accent (Plus Decorative)
The three (plus one) layers every well-lit interior uses, why they exist, how to combine them, and the most common mistakes that flatten a space.

Fundamentals
Common Lighting Design Mistakes (and How to Avoid Them)
The avoidable lighting mistakes we see most often, downlight grids, wrong CCT, no scene control, and how to design around them.

Residential
How Many Lux for a Living Room?
A practical lux reference for living rooms, ambient and task ranges, layering principles and the most common residential lighting mistakes.

Residential
Recommended Lux Levels for Every Room in Your Home (India)
A complete room-by-room reference for lux levels in Indian homes, what ambient and task levels to target, how they map to Indian standards, and how professional designers use them without turning a home into an office.

Commercial
Office Lighting Design Guide
Workplace lighting fundamentals, lux, UGR, CCT, energy density and the operational scenes every modern office should be designed around.
Popular articles
- 01
Fundamentals
What is Architectural Lighting Design?
A practical definition of architectural lighting design, what it is, what it is not, and how a lighting designer thinks differently from a fixture supplier.
- 02
Fundamentals
The 3 Layers of Lighting: Ambient, Task and Accent (Plus Decorative)
The three (plus one) layers every well-lit interior uses, why they exist, how to combine them, and the most common mistakes that flatten a space.
- 03
Fundamentals
How to Choose Light Fixtures: A Designer's Guide
A professional framework for choosing light fixtures, eight technical criteria that matter far more than the catalogue photo.
- 04
Fundamentals
Beam Angles Explained
Narrow, medium, wide, what beam angle actually does, and how to choose it based on mounting height, target and application.
- 05
Fundamentals
What is CRI in Lighting? Color Rendering Index Explained
A complete guide to CRI in lighting, what the number measures, why R9 is the hidden specification that matters, and how to specify colour rendering across residential, hospitality and commercial spaces.
- 06
Fundamentals
3000K vs 4000K: Which Should You Choose?
Warm white vs neutral white, when to use each colour temperature in residential, hospitality and commercial environments.
Just refreshed
- Jul 9
Fundamentals
The 3 Layers of Lighting: Ambient, Task and Accent (Plus Decorative)
- Jul 9
Fundamentals
How to Choose Light Fixtures: A Designer's Guide
- Jul 9
Fundamentals
What is CRI in Lighting? Color Rendering Index Explained
- Jul 9
Residential
Recommended Lux Levels for Every Room in Your Home (India)
- Jul 9
Facade
Facade Lighting Techniques: Wall Washing, Grazing and Accent
- Jun 23
Fundamentals
What is Architectural Lighting Design?
Lighting Fundamentals
First principles, layers, fixtures, colour temperature, beam angle, CRI and circadian thinking.
What is Architectural Lighting Design?
A practical definition of architectural lighting design, what it is, what it is not, and how a lighting designer thinks differently from a fixture supplier.
Read articleThe 3 Layers of Lighting: Ambient, Task and Accent (Plus Decorative)
The three (plus one) layers every well-lit interior uses, why they exist, how to combine them, and the most common mistakes that flatten a space.
Read articleHow to Choose Light Fixtures: A Designer's Guide
A professional framework for choosing light fixtures, eight technical criteria that matter far more than the catalogue photo.
Read articleBeam Angles Explained
Narrow, medium, wide, what beam angle actually does, and how to choose it based on mounting height, target and application.
Read articleWhat is CRI in Lighting? Color Rendering Index Explained
A complete guide to CRI in lighting, what the number measures, why R9 is the hidden specification that matters, and how to specify colour rendering across residential, hospitality and commercial spaces.
Read article3000K vs 4000K: Which Should You Choose?
Warm white vs neutral white, when to use each colour temperature in residential, hospitality and commercial environments.
Read article2700K vs 3000K: The Residential CCT Decision
A 300K difference looks small on paper and large in a room. How to choose between 2700K and 3000K in residential and hospitality work.
Read articleWhat is Circadian Lighting?
Light is a biological signal. How tunable white and well-scheduled scenes support the body clock in homes, offices and guest rooms.
Read articleCommon Lighting Design Mistakes (and How to Avoid Them)
The avoidable lighting mistakes we see most often, downlight grids, wrong CCT, no scene control, and how to design around them.
Read articleResidential Lighting
Villas, apartments and homes, room-by-room lux, layering, scenes and automation.
How Many Lux for a Living Room?
A practical lux reference for living rooms, ambient and task ranges, layering principles and the most common residential lighting mistakes.
Read articleHow to Light a Villa: A Designer's Approach
A scene-by-scene approach to lighting a villa, ambient, task, decorative and architectural layers, plus a sensible control strategy.
Read articleRecommended Lux Levels for Every Room in Your Home (India)
A complete room-by-room reference for lux levels in Indian homes, what ambient and task levels to target, how they map to Indian standards, and how professional designers use them without turning a home into an office.
Read articleBedroom Lighting Design Guide
How to light a bedroom, soft ambient, useful bedside, warm CCT, and why circadian thinking matters in the room you sleep in.
Read articleKitchen Lighting Design Guide
Designing a kitchen that is useful by day and warm by night, ambient, task and decorative layers, with CCT and CRI guidance.
Read articleDining Room Lighting Design Guide
A focused, dimmable, warm pool of light on the table is the entire dining-room lighting brief. Here is how to design it.
Read articlePooja Room Lighting Design Guide
A pooja room is a focal, warm and reverent space. How to light the deity, the surrounding architecture and the floor without glare.
Read articleBathroom Lighting Design Guide
A bathroom needs three lighting zones, mirror, wet area, ambient, all on independent dimmers. Here is the playbook.
Read articleWardrobe Lighting Design Guide
Wardrobe lighting fails when it is overhead and uniform. Lighting the hanging rod from inside the cabinet is what makes fabric read true.
Read articleHome Automation & Lighting: A Practical Guide
Scenes, schedules and keypads. What a homeowner actually needs from a lighting automation system, and what to ignore.
Read articleCommercial Lighting
Offices, retail, showrooms and workplaces, UGR, lux standards, energy and comfort.
Office Lighting Design Guide
Workplace lighting fundamentals, lux, UGR, CCT, energy density and the operational scenes every modern office should be designed around.
Read articleRetail Lighting Design Guide
Retail is about contrast, accent and material truth. CRI, accent ratios, beam strategy and CCT for stores that sell.
Read articleShowroom Lighting Design Guide
A showroom is a curated stage. Hero lighting on display pieces, controlled ambient, beam strategy for materials that need to read true.
Read articleWorkspace Lighting Standards (EN 12464-1, IS 3646)
The international and Indian standards behind office lighting, what they require, and how to apply them on real projects.
Read articleHow to Reduce Glare in Offices
Glare is the number one comfort complaint in offices. The eight design moves that bring UGR safely below 19 in real workspaces.
Read articleWhat is UGR (Unified Glare Rating)?
UGR explained, the standard for measuring discomfort glare, target levels by space type, and why glare matters as much as lux.
Read articleLux Levels for Offices: A Complete Reference
A zone-by-zone lux reference for offices, calibrated to EN 12464-1 and IS 3646.
Read articleCommercial Lighting Mistakes
Eight repeat-offender mistakes in commercial lighting, glare, CCT, controls and the gap between specification and commissioning.
Read articleHospitality Lighting
Hotels, restaurants, lobbies, bars and resorts, lighting designed around guest experience.
Hospitality Lighting Guide
Principles for lighting hotels, restaurants, lobbies, guest rooms and bars, designed around mood and memory rather than fixture counts.
Read articleRestaurant Lighting Design
How to light a restaurant so food, faces and the room itself perform. Table-led, low ambient, warm CCT and high CRI.
Read articleHotel Lobby Lighting Design
Designing a hotel lobby, vertical light, reception clarity, lounge intimacy and the day/evening/late-night scene programme.
Read articleHotel Guest Room Lighting
Guest room lighting must feel personal, warm and effortless. Scenes, bedside control, bathroom and wardrobe done properly.
Read articleBar Lighting Design
A bar is theatre, low ambient, strong back-bar accent, warm CCT and a working counter that staff can actually see.
Read articleResort Lighting Design
Resorts live outdoors. Landscape, pool, pathway and arrival lighting matters more than interior fixtures. Restraint is the brief.
Read articleHospitality Lighting Mistakes
The hospitality lighting mistakes that ruin guest experience, overlighting, cool CCT, no scene control, and how to avoid them.
Read articleLighting for Guest Experience
A simple framework, arrival, moments, dining, sleep, that aligns lighting with the guest journey from check-in to check-out.
Read articleLandscape & Facade
Gardens, pools, trees, pathways and building exteriors, light after dark.
Landscape Lighting Techniques
The core landscape lighting techniques, uplighting, downlighting, moonlighting, grazing, wall washing, and the situations each one is built for.
Read articleGarden Lighting Design Guide
A garden is a layered composition, focal trees, pathway, planting beds, seating. Light it selectively and warmly.
Read articlePool Lighting Design Guide
Underwater fixtures, warm white as the base, RGB as a scene. How to light a pool that looks elegant year-round.
Read articleTree Uplighting Guide
Uplighting a tree well requires the right beam, wattage and aim. The most common mistake is too many fixtures and not enough thought.
Read articlePathway Lighting Guide
Pathways are about safe movement, not stage lighting. Low lux, warm CCT, glare-free fixtures, generously spaced.
Read articleFacade Lighting Techniques: Wall Washing, Grazing and Accent
A designer's guide to facade lighting techniques, when to wall wash, when to graze, when to silhouette, and how to choose the right strategy for the architecture, the material and the context.
Read articleWall Washing vs Grazing
Two visually different effects from similar fixtures. Washing flattens, grazing reveals texture. How to choose between them.
Read articleOutdoor Lighting Mistakes
The most common outdoor lighting mistakes, why they ruin gardens and facades, and the disciplines that prevent them.
Read articleTechnical Lighting
Lux, lumens, UGR, uniformity, DIALux simulation, calculations, visual comfort and energy.
Lux Explained
Lux measures how much light reaches a surface. The most-specified unit in lighting design, and the most-misunderstood.
Read articleLumens Explained
Lumens measure the total light a fixture produces. The starting point for every lighting calculation.
Read articleDIALux Simulations: Why and When
DIALux is the industry-standard tool for verifying lux, UGR, uniformity and energy density. Skipping it is the source of most site surprises.
Read articleLighting Calculations Explained
From quick lumen-method estimates to full point-by-point simulation, an overview of how lighting designers verify their work.
Read articleUniformity Explained
Uniformity is the ratio of minimum to average lux. Low uniformity means dark patches even with high average lux.
Read articleVisual Comfort Explained
Visual comfort is not a single number. It is the combination of lux, UGR, uniformity, contrast and CRI working together.
Read articleEnergy Optimisation in Lighting Design
Modern lighting can easily come in below 8 W/m² without compromising design. The five disciplines that get you there.
Read articleFrequently Asked Questions
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