Tranquil Dawn vs Black grey

Dulux
·
RAL Classic

Where Tranquil Dawn belongs to Dulux's range, Black grey is a RAL Classic color. Tranquil Dawn (LRV 55) reflects noticeably more light than Black grey (LRV 6), a difference of 49 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 57.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question.

Tranquil Dawn vs Black grey Color Comparison

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.

ΔE 57.9Very different colors

Color Details

Tranquil Dawn
Dulux · 45GY 55/052
Hex#BDC3B9
LRV55.0
BrandDulux
Number45GY 55/052
Undertone
Temperatureneutral
Brightnessmedium
View Tranquil Dawn
Black grey
RAL Classic · RAL 7021
Hex#2F3234
LRV6.5
BrandRAL Classic
NumberRAL 7021
Undertone
Temperature
Brightnessdark
View Black grey

Tranquil Dawn vs Black grey in Real Spaces

Seeing Tranquil Dawn and Black grey in actual rooms makes the difference concrete. Browse the spaces below to get a feel for how each color lives on a wall. Showing 2 room types where both colors have photos.

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 Tranquil Dawn will make the room feel meaningfully brighter than Black grey would.

Tranquil Dawn
Dulux Tranquil Dawn living room fireplace review

@gwynfa_renovation

Black grey
RAL Classic  Black grey RAL 7021 living room

@dorfstadtvilla

Kitchen Cabinets

Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Black grey.

Tranquil Dawn
Tranquil Dawn kitchen cabinets color review

@everythingsrosiedecorating

Black grey
RAL 7021 kitchen cabinets paint review

@a.jak.agata

More Tranquil Dawn comparisons

See how Tranquil Dawn stacks up against other well-photographed colors across different brands and tones.

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Tranquil Dawn
White Dove

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Tranquil Dawn
Senses

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Classic Silver
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Tranquil Dawn
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RAL 110-1
Tranquil Dawn
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RAL 180-1
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S 8000-N
Tranquil Dawn
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S 0500-N
Tranquil Dawn
S 0500-N

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S 0502-Y
Tranquil Dawn
S 0502-Y

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Dulux vs NCS