🏠 Scene Guide

Home Lighting Selection Guide

Lighting makes or breaks a home interior. The right color temperature, brightness, and fixture placement can make a small room feel spacious, a cold room feel cozy, and a functional space feel luxurious. This guide covers the four essential residential lighting scenarios — bedroom, living room, kitchen, and bathroom — with parameter recommendations you can use as procurement checklists.

Quick Parameter Reference

At-a-glance recommendations for the four key home lighting scenarios

Room CCT (K) CRI Min IP Min Lumens Key Fixtures
🛏️ Bedroom 2700-3000 90 IP20 800-1500 Ceiling + bedside + strip
🛋️ Living Room 2700-4000 90 IP20 1500-3000 Chandelier + downlights + floor
🍳 Kitchen 3500-5000 90 IP44 2000-4000 Panels + under-cabinet strips
🚿 Bathroom 3000-4000 90 IP44 1000-2000 Ceiling IP44 + mirror light

🛏️ Bedroom Lighting

The bedroom is primarily a space for rest and relaxation. Lighting should support winding down in the evening and gentle waking in the morning. Warm color temperatures promote melatonin production — critical for sleep quality.

Color Temperature
2700-3000K
Warm white only. Never use cool white (4000K+) in a bedroom.
CRI
90+ Ra
Essential for true skin tone and fabric color rendering.
Layers
3 Layers
Ceiling ambient + bedside task + wardrobe accent.
Dimming
Required
Dimmable fixtures let you lower brightness before sleep.
⚠ Common mistake: Installing a single bright ceiling fixture with 4000K cool white. This creates harsh glare, suppresses melatonin, and makes the room feel like an office. Always use warm white and at least two independently controlled fixtures.

🛋️ Living Room Lighting

The living room is a multi-purpose space — entertaining, reading, watching TV, dining. It demands the most sophisticated lighting design of any room in the house. A single fixture is never enough.

Color Temperature
2700-4000K
Tunable white ideal: 2700K for evening, 4000K for daytime.
CRI
90+ Ra
High CRI critical — artwork, fabrics, food all benefit.
Beam Angle
Mixed
Wide (60°+) for ambient, narrow (24°-38°) for accent.
Control
Zoned
Separate switches for each layer. Smart control a plus.
💡 Pro tip: Use tunable white downlights for the main ceiling grid. Set to 4000K during daytime for energy and focus, switch to 2700K in the evening for relaxation. This single feature transforms how a living room functions across the day.

🍳 Kitchen Lighting

The kitchen is a task-critical space — food preparation, cooking, cleaning. Brightness and color accuracy are non-negotiable. Moisture and heat require proper IP ratings. Under-cabinet lighting is arguably more important than ceiling lighting.

Color Temperature
3500-5000K
Neutral-to-cool for visibility during food prep. 4000K is the sweet spot.
CRI
90+ Ra
Critical — you need to see food colors accurately for safety and quality.
IP Rating
IP44 min
IP65 for areas above cooktop or sink. Never IP20 near water.
Under-Cabinet
Essential
LED strips eliminate counter shadows. 4000K, 400+ lm/m.
⚠ Common mistake: Relying on a single ceiling panel for all kitchen lighting. This creates shadows on the counter when you stand at it — exactly where you need light most. Always add under-cabinet task lighting as the primary work light, with ceiling fixtures for ambient fill.

🚿 Bathroom Lighting

Bathroom lighting combines safety requirements (IP rating) with grooming needs (high CRI). Mirror lighting is the most critical element — side-mounted vertical fixtures eliminate face shadows that ceiling lights create. IP compliance is mandatory, not optional.

Color Temperature
3000-4000K
3000K for warm spa feel. 4000K for precise grooming tasks.
CRI
90+ Ra
Non-negotiable — skin tone accuracy for makeup and grooming.
IP Rating
IP44 min
Zone 2: IP44. Zone 1 (above bath/shower): IP65 required.
Mirror Light
Side-Mounted
Vertical fixtures flanking mirror eliminate facial shadows.
💡 Pro tip: Install mirror lights at eye level on both sides — not above. Above-mirror lighting casts shadows under eyes and chin, making grooming difficult. Twin vertical fixtures at 65-70 inches from floor provide even, shadow-free illumination for makeup and shaving.

Case Study: Two Living Room Lighting Approaches

Comparing a single-fixture approach vs a layered professional design for a 25m² living room

❌ Single Fixture Approach

Fixture1x 60W ceiling panel
CCT4000K fixed
CRI80
DimmingNone
Initial Cost~$40
ResultHarsh, flat, single-mood
Suitable ForRental apartments, budget projects

✅ Layered Professional Design

Fixture4x tunable downlights + 2x floor lamps + LED strips
CCT2700K-4000K tunable
CRI90+
DimmingDALI zoned + smart app
Initial Cost~$180
ResultFlexible, layered, multi-scene
Suitable ForPremium residential, hotels, showrooms
Key takeaway: The layered design costs 4.5x more upfront but provides 3 independently controllable lighting scenes. For premium residential projects, this is the minimum expected standard. Budget projects can start with the single-fixture approach and add layers over time.

Home Lighting FAQ

Answers to the most common questions from residential lighting buyers and specifiers

🛏️ What color temperature should I use in the bedroom?
2700K-3000K warm white. Warm light promotes melatonin production, helping you wind down before sleep. Never use cool white (4000K+) in a bedroom — it suppresses melatonin and can disrupt your sleep cycle. Dimmable warm-white downlights with bedside warm-white reading lamps create the ideal setup.
🛋️ How many lumens do I need for a living room?
1,500-3,000 total lumens for a typical 25m² living room, distributed across layers: ambient (800-1,500 lm via ceiling fixtures), task (400-800 lm for reading spots), and accent (200-500 lm for artwork). The key is independent control — use separate switches or smart zones for each layer so you can adapt the lighting to different activities throughout the day.
🍳 What IP rating is needed for kitchen lighting?
IP44 minimum for general kitchen ceiling lighting — protected against splashing water. IP65 for areas directly above the cooktop or sink. Under-cabinet LED strips at IP20 are acceptable if they are positioned away from water sources and protected by the cabinet overhang. Never install IP20 fixtures within 60cm of a water source.
⚠ What's the most common mistake in home lighting design?
The #1 mistake is relying on a single ceiling fixture for all lighting. Good lighting uses three layers — ambient, task, and accent. A single fixture creates harsh shadows, doesn't adapt to different activities, and makes any room feel flat. Every room needs at minimum two independently controlled light sources. This is not an aesthetic preference — it's a functional requirement.
🎨 CRI 80 vs CRI 90 — does it really matter for home lighting?
Yes, significantly. CRI 80 renders most colors adequately but misses subtle reds (R9 value) and skin tones. CRI 90+ makes food look appetizing in the kitchen, fabrics look true-to-color in the wardrobe, and skin tones look natural in the bathroom mirror. For living rooms, bedrooms, and bathrooms: always specify CRI 90+. For hallways, utility rooms, and garages, CRI 80 is acceptable if budget is constrained.
📐 How do I calculate how many downlights a room needs?
Use the ceiling height ÷ 2 rule for spacing: for an 8ft (2.4m) ceiling, space downlights 4ft (1.2m) apart. Position edge lights at half that distance from walls (2ft / 0.6m). Rough guide: one downlight per 4-6 m² for general ambient lighting. Adjust based on lumen output and beam angle — a 1000lm downlight with 60° beam covers roughly 5-6 m² at 2.4m ceiling height. For task areas (kitchen counters, reading nooks), double the density.