The Surprising Impact of Lighting on Your Home’s Paint Colours
The Surprising Impact of Lighting on Your Home’s Paint Colours
You picked the perfect paint. The swatch looked flawless in the store. But once it’s on your wall? Suddenly it’s too dark, too yellow, or just… off.
What changed?
Lighting. And it has far more influence on paint colour than most people realize.
Understanding how light interacts with paint can save you from costly mistakes—and help you create a space that looks exactly the way you imagined.
Natural Light: The Biggest Game-Changer
Natural daylight isn’t constant—it shifts throughout the day and depends heavily on the direction your room faces.
North-Facing Rooms
Light quality: Cool, soft, slightly bluish
Effect on paint: Colours appear darker and more muted
Best choices: Warm tones (creamy whites, warm greys, soft beiges) to balance the coolness
👉 If you use a cool grey here, it may look flat or even slightly blue.
South-Facing Rooms
Light quality: Bright, warm, consistent
Effect on paint: Colours appear lighter and more vibrant
Best choices: Almost anything works—both warm and cool tones shine here
👉 This is the most forgiving lighting, so your paint will look closest to how it appears on the swatch.
East-Facing Rooms
Light quality: Warm in the morning, cooler later
Effect on paint: Colours shift throughout the day
Best choices: Soft neutrals or colours that can handle variation
👉 A beige may glow warmly in the morning but look dull by afternoon.
West-Facing Rooms
Light quality: Cooler in the morning, warm golden tones in the evening
Effect on paint: Colours can appear dramatic or overly warm later in the day
Best choices: Balanced tones that won’t become too intense
👉 Whites can turn noticeably yellow or orange at sunset.
Artificial Lighting: The Hidden Influencer
Once the sun goes down, artificial lighting takes over—and it can completely change how your paint looks.
Incandescent & Warm LED Bulbs (2700K–3000K)
Light tone: Warm, yellowish
Effect on paint: Enhances warm colours, dulls cool ones
Watch out for: Whites turning creamy or yellow
Cool LED & Fluorescent Lighting (4000K–5000K)
Light tone: Crisp, bluish
Effect on paint: Sharpens cool tones, can make spaces feel sterile
Watch out for: Warm colours looking washed out or dull
Daylight Bulbs (5000K–6500K)
Light tone: Bright, neutral to slightly blue
Effect on paint: Shows colours more “true,” but can feel harsh
Best use: Workspaces, kitchens, bathrooms
Undertones: The Secret Behind “Wrong” Colours
Every paint colour has an undertone—subtle hues beneath the surface that lighting can exaggerate.
Common Undertones:
Grey: Blue, green, or purple
Beige: Pink, yellow, or green
White: Blue, cream, or even violet
👉 Under warm lighting, a grey with a purple undertone might suddenly look mauve.
👉 Under cool lighting, a beige might lean green.
Key takeaway: Always test for undertones in your actual space—not just in-store.
LRV (Light Reflectance Value): The Missing Piece Most People Ignore
If lighting changes how colour looks, LRV (Light Reflectance Value) measures how much light a colour actually reflects.
Scale: 0 to 100
0 = absolute black (absorbs all light)
100 = pure white (reflects all light)
This number is critical because it directly affects how bright, dark, or heavy a colour will feel in your space—especially under different lighting conditions.
How LRV Impacts Your Space
High LRV colours (60–90+)
Reflect more light
Make rooms feel brighter and larger
Ideal for low-light spaces
Mid-range LRV colours (30–60)
Absorb and reflect light more evenly
Provide balanced, versatile looks
Work well in most rooms
Low LRV colours (0–30)
Absorb more light
Feel richer, moodier, and more dramatic
Best in well-lit rooms or for accent walls
Real-World Colour Examples by LRV
High LRV (Bright & Airy)
Soft whites (e.g., warm white, off-white) → LRV 75–90
Pale creams → LRV 70–85
Light pastels (pale blue, blush, mint) → LRV 65–80
👉 In a north-facing room, these help counteract darkness and keep the space from feeling dull.
Mid LRV (Balanced & Flexible)
Light greys → LRV 50–65
Greige (grey + beige blends) → LRV 45–60
Soft taupes and muted colours → LRV 35–55
👉 These are the safest “whole-home” colours—but will still shift noticeably depending on lighting.
Low LRV (Deep & Dramatic)
Charcoal grey → LRV 10–25
Navy blue → LRV 5–20
Deep green or forest tones → LRV 5–15
Black → LRV 0–5
👉 In low-light rooms, these can feel almost black unless balanced with strong lighting.
⚠️ Why LRV + Lighting Must Be Considered Together
Here’s where people go wrong:
A low LRV colour in a north-facing room = feels much darker than expected
A high LRV colour in a south-facing room = may feel overly bright or washed out
Artificial lighting can either boost or flatten the LRV effect depending on bulb temperature
👉 LRV doesn’t replace choosing the right colour—it helps you predict how that colour will behave.
Why Paint Samples Are Non-Negotiable
Small swatches lie. Lighting makes sure of it.
How to Test Properly:
Paint large sample patches (at least 2 ft x 2 ft)
Place them on different walls
Observe at:
Morning
Afternoon
Evening
Check under both natural and artificial light
👉 The same colour can look completely different just a few feet away.
Reflection & Surroundings Matter Too
Lighting doesn’t act alone—your environment amplifies its effects.
Influencing Factors:
Flooring: Dark wood deepens colours; light floors brighten them
Furniture: Bold colours reflect onto walls
Ceilings: White ceilings bounce light and affect perception
Windows: Size and number dramatically impact brightness
👉 A white wall next to a red sofa may subtly pick up a pinkish hue.
How to Choose the Right Paint (Without Regret)
To get your colour right the first time:
✔ Always test samples in your space
✔ Check the LRV before committing
✔ Consider room direction and time-of-day lighting
✔ Match paint undertones with your lighting temperature
✔ Think about your furniture and finishes
✔ Avoid choosing colours only under store lighting
Final Thoughts
Paint isn’t just colour—it’s colour plus light… plus reflection, plus LRV.
Once you understand how these elements work together, you stop guessing—and start choosing with confidence.
Because the right colour in the right light doesn’t just look good…
it transforms your entire home
For any questions or expert advice, contact us at Chamberlain Timber Mart—we’re happy to help you get it just right.
Comments
Post a Comment