Niagara Blues 1 vs Cement grey

Niagara Blues 1DuluxvsCement greyRAL ClassicΔE 24.6Distinct difference

Where Niagara Blues 1 belongs to Dulux's range, Cement grey is a RAL Classic color. Niagara Blues 1 reads as blue, while Cement grey reads as grey — two distinct hue families, not close cousins. Cement grey (LRV 24) reflects noticeably more light than Niagara Blues 1 (LRV 15), a difference of 9 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 24.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Niagara Blues 1 vs Cement grey in Real Spaces

2 real rooms side by side. Seeing Niagara Blues 1 and Cement grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.

Living Room

In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Cement grey will make the room feel meaningfully brighter than Niagara Blues 1 would.

Niagara Blues 1Dulux Niagara Blues 1 living room fireplace

@katiealexandragriffiths

Cement greyRAL Classic Cement grey 7033 living room

@barnhouse_veluwe

Bedroom

The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Cement grey reflects noticeably more light off the walls, making the space read more open than Niagara Blues 1.

Color Details

Niagara Blues 1
Dulux · 10BB 15/154
Hex#4C6B80
LRV15.0
BrandDulux
Number10BB 15/154
Undertone
TemperatureCool
BrightnessDark
Cement grey
RAL Classic · RAL 7033
Hex#7F8274
LRV24.1
BrandRAL Classic
NumberRAL 7033
Undertone
Temperature
BrightnessDark

Niagara Blues 1 vs Cement grey Simulated Comparison

5 simulated room previews — drag the slider on each to see Niagara Blues 1 on one side and Cement grey on the other.

Bathroom
Bedroom
House
Kitchen Cabinets
Living Room

Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.

More Niagara Blues 1 comparisons

See how Niagara Blues 1 stacks up against other well-photographed colors across different brands and tones.

White Dove
Niagara Blues 1
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Niagara Blues 1
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Niagara Blues 1
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Niagara Blues 1 reads slightly lighter

Purbeck Stone
Niagara Blues 1
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone is the lighter choice

Evergreen Fog
Niagara Blues 1
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Evergreen Fog reads noticeably lighter

Mizzle
Niagara Blues 1
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle is the lighter choice

Agreeable Gray
Niagara Blues 1
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Denim Drift
Niagara Blues 1
Denim Drift
Dulux
Denim Drift
LRV 27

Denim Drift reads noticeably lighter

Tranquil Dawn
Niagara Blues 1
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Balboa Mist
Niagara Blues 1
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Vintage Vogue
Niagara Blues 1
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Niagara Blues 1 reads slightly lighter

Pale Green
Niagara Blues 1
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Pale Green reads noticeably lighter

Pine Needle
Niagara Blues 1
Pine Needle
Dulux
Pine Needle
LRV 7

Niagara Blues 1 reads slightly lighter

Black grey
Niagara Blues 1
Black grey
RAL ClassicClassic
Black grey
LRV 6

Niagara Blues 1 reads slightly lighter

Piazza
Niagara Blues 1
Piazza
Tikkurila
Piazza
LRV 65

Piazza is the lighter choice

Humble Yellow
Niagara Blues 1
Humble Yellow
Jotun
Humble Yellow
LRV 57

Humble Yellow is the lighter choice

Grey Blue
Niagara Blues 1
Grey Blue
RAL ClassicClassic
Grey Blue
LRV 7

Niagara Blues 1 reads slightly lighter

Windmill Lane
Niagara Blues 1
Windmill Lane
Little Greene
Windmill Lane
LRV 31

Windmill Lane reads noticeably lighter

Senses
Niagara Blues 1
Senses
Jotun
Senses
LRV 41

Senses is the lighter choice

Lamp Black
Niagara Blues 1
Lamp Black
Little Greene
Lamp Black
LRV 3

Niagara Blues 1 reads noticeably lighter

Washed Linen
Niagara Blues 1
Washed Linen
Jotun
Washed Linen
LRV 55

Washed Linen is the lighter choice

Tea with Florence
Niagara Blues 1
Tea with Florence
Little Greene
Tea with Florence
LRV 18

Tea with Florence reads slightly lighter

Thames Fog
Niagara Blues 1
Thames Fog
Valspar
Thames Fog
LRV 27

Thames Fog reads noticeably lighter

Ocean Abyss
Niagara Blues 1
Ocean Abyss
Behr
Ocean Abyss
LRV 7

Niagara Blues 1 reads slightly lighter

Classic Silver
Niagara Blues 1
Classic Silver
Behr
Classic Silver
LRV 48

Classic Silver is the lighter choice

Teton Blue
Niagara Blues 1
Teton Blue
Behr
Teton Blue
LRV 31

Teton Blue reads noticeably lighter

RAL 110-2
Niagara Blues 1
RAL 110-2
RAL EffectEffect
RAL 110-2
LRV 72

RAL 110-2 is the lighter choice

RAL 110-1
Niagara Blues 1
RAL 110-1
RAL EffectEffect
RAL 110-1
LRV 80

RAL 110-1 is the lighter choice

Paper
Niagara Blues 1
Paper
Tikkurila
Paper
LRV 88

Paper is the lighter choice

Passageway
Niagara Blues 1
Passageway
Valspar
Passageway
LRV 14

Nearly identical in tone