Dolphin Blue vs Tranquil Dawn

Dolphin BlueBehrvsTranquil DawnDuluxΔE 21.3Distinct difference

Dolphin Blue (Behr) and Tranquil Dawn (Dulux) come from different manufacturers. Dolphin Blue reads as blue, while Tranquil Dawn reads as green-grey — two distinct hue families, not close cousins. The 25-point LRV gap — 55 for Tranquil Dawn vs 30 for Dolphin Blue — means Tranquil Dawn will open up a space more effectively. Where Dolphin Blue leans blue, Tranquil Dawn reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 21.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Dolphin Blue vs Tranquil Dawn in Real Spaces

2 real rooms side by side. Seeing Dolphin Blue and Tranquil Dawn 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

A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Dolphin Blue.

Dolphin BlueBehr Dolphin Blue living room color

@housetwentyseveneighty

Tranquil DawnDulux Tranquil Dawn living room fireplace review

@gwynfa_renovation

Bedroom

Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Tranquil Dawn returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.

Dolphin BlueBehr Dolphin Blue bedroom paint

@trianglepropainting

Tranquil DawnTranquil Dawn bedroom color review

@our_tooting_terrace

Color Details

Dolphin Blue
Behr · S470-4
Hex#7d9da9
LRV30.1
BrandBehr
NumberS470-4
UndertoneBlue
TemperatureCool
BrightnessMedium
Tranquil Dawn
Dulux · 45GY 55/052
Hex#BDC3B9
LRV55.0
BrandDulux
Number45GY 55/052
Undertone
TemperatureNeutral
BrightnessMedium

Dolphin Blue vs Tranquil Dawn Simulated Comparison

5 simulated room previews — drag the slider on each to see Dolphin Blue on one side and Tranquil Dawn 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 Dolphin Blue comparisons

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

Dolphin Blue
White Dove
Dolphin Blue
White Dove
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 83 vs 30, White Dove is decisively the brighter choice.

Dolphin Blue
Ammonite
Dolphin Blue
Ammonite
Behr
Dolphin Blue
S470-4 · LRV 30
Farrow & Ball
Ammonite
LRV 69

Ammonite reflects far more light (LRV 69 vs 30), opening up a space where Dolphin Blue encloses it.

Dolphin Blue
Iron Ore
Dolphin Blue
Iron Ore
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 30 vs 6, Dolphin Blue is decisively the brighter choice.

Dolphin Blue
Purbeck Stone
Dolphin Blue
Purbeck Stone
Behr
Dolphin Blue
S470-4 · LRV 30

Purbeck Stone reflects far more light (LRV 52 vs 30), opening up a space where Dolphin Blue encloses it.

Dolphin Blue
Evergreen Fog
Dolphin Blue
Evergreen Fog
Behr
Dolphin Blue
S470-4 · LRV 30

With LRVs of 30 and 30, the two reflect almost the same amount of light.

Dolphin Blue
Mizzle
Dolphin Blue
Mizzle
Behr
Dolphin Blue
S470-4 · LRV 30
Farrow & Ball
Mizzle
LRV 52

At LRV 52 vs 30, Mizzle is decisively the brighter choice.

Dolphin Blue
Agreeable Gray
Dolphin Blue
Agreeable Gray
Behr
Dolphin Blue
S470-4 · LRV 30

Agreeable Gray reflects far more light (LRV 60 vs 30), opening up a space where Dolphin Blue encloses it.

Dolphin Blue
Accessible Beige
Dolphin Blue
Accessible Beige
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 58 vs 30, Accessible Beige is decisively the brighter choice.

Dolphin Blue
Denim Drift
Dolphin Blue
Denim Drift
Behr
Dolphin Blue
S470-4 · LRV 30

A 3-point LRV gap (30 vs 27) makes Dolphin Blue the marginally brighter of the two.

Dolphin Blue
French Gray
Dolphin Blue
French Gray
Behr
Dolphin Blue
S470-4 · LRV 30

French Gray reflects far more light (LRV 43 vs 30), opening up a space where Dolphin Blue encloses it.

Dolphin Blue
Naval
Dolphin Blue
Naval
Behr
Dolphin Blue
S470-4 · LRV 30
Sherwin-Williams
Naval
LRV 4

Dolphin Blue reflects far more light (LRV 30 vs 4), opening up a space where Naval encloses it.

Dolphin Blue
Bancha
Dolphin Blue
Bancha
Behr
Dolphin Blue
S470-4 · LRV 30
Farrow & Ball
Bancha
LRV 13

At LRV 30 vs 13, Dolphin Blue is decisively the brighter choice.

Dolphin Blue
Hardwick White
Dolphin Blue
Hardwick White
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 44 vs 30, Hardwick White is decisively the brighter choice.

Dolphin Blue
Pure White
Dolphin Blue
Pure White
Behr
Dolphin Blue
S470-4 · LRV 30

Pure White reflects far more light (LRV 84 vs 30), opening up a space where Dolphin Blue encloses it.

Dolphin Blue
Artichoke
Dolphin Blue
Artichoke
Behr
Dolphin Blue
S470-4 · LRV 30
Sherwin-Williams
Artichoke
LRV 21

Dolphin Blue reads slightly lighter (LRV 30 vs 21), a gap that shows most in low-lit rooms.

Dolphin Blue
Balboa Mist
Dolphin Blue
Balboa Mist
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 66 vs 30, Balboa Mist is decisively the brighter choice.

Dolphin Blue
Shoji White
Dolphin Blue
Shoji White
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 74 vs 30, Shoji White is decisively the brighter choice.

Dolphin Blue
Snowbound
Dolphin Blue
Snowbound
Behr
Dolphin Blue
S470-4 · LRV 30
Sherwin-Williams
Snowbound
LRV 83

At LRV 83 vs 30, Snowbound is decisively the brighter choice.

Dolphin Blue
Pewter Green
Dolphin Blue
Pewter Green
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 30 vs 12, Dolphin Blue is decisively the brighter choice.

Dolphin Blue
Skimming Stone
Dolphin Blue
Skimming Stone
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 68 vs 30, Skimming Stone is decisively the brighter choice.

Dolphin Blue
Dix Blue
Dolphin Blue
Dix Blue
Behr
Dolphin Blue
S470-4 · LRV 30
Farrow & Ball
Dix Blue
LRV 41

Dix Blue reads slightly lighter (LRV 41 vs 30), a gap that shows most in low-lit rooms.

Dolphin Blue
Calamine
Dolphin Blue
Calamine
Behr
Dolphin Blue
S470-4 · LRV 30
Farrow & Ball
Calamine
LRV 68

Calamine reflects far more light (LRV 68 vs 30), opening up a space where Dolphin Blue encloses it.

Dolphin Blue
Treron
Dolphin Blue
Treron
Behr
Dolphin Blue
S470-4 · LRV 30
Farrow & Ball
Treron
LRV 25

Dolphin Blue reads slightly lighter (LRV 30 vs 25), a gap that shows most in low-lit rooms.

Dolphin Blue
Vintage Vogue
Dolphin Blue
Vintage Vogue
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 30 vs 12, Dolphin Blue is decisively the brighter choice.

Dolphin Blue
Saybrook Sage
Dolphin Blue
Saybrook Sage
Behr
Dolphin Blue
S470-4 · LRV 30

At LRV 45 vs 30, Saybrook Sage is decisively the brighter choice.

Dolphin Blue
Pale Green
Dolphin Blue
Pale Green
Behr
Dolphin Blue
S470-4 · LRV 30
RAL ClassicClassic
Pale Green
LRV 31

With LRVs of 31 and 30, the two reflect almost the same amount of light.

Dolphin Blue
Pine Needle
Dolphin Blue
Pine Needle
Behr
Dolphin Blue
S470-4 · LRV 30

Dolphin Blue reflects far more light (LRV 30 vs 7), opening up a space where Pine Needle encloses it.

Dolphin Blue
Cement grey
Dolphin Blue
Cement grey
Behr
Dolphin Blue
S470-4 · LRV 30
RAL ClassicClassic
Cement grey
LRV 24

Dolphin Blue reads slightly lighter (LRV 30 vs 24), a gap that shows most in low-lit rooms.

Dolphin Blue
Guilford Green
Dolphin Blue
Guilford Green
Behr
Dolphin Blue
S470-4 · LRV 30

Guilford Green reflects far more light (LRV 57 vs 30), opening up a space where Dolphin Blue encloses it.

Dolphin Blue
Just Walnut
Dolphin Blue
Just Walnut
Behr
Dolphin Blue
S470-4 · LRV 30

Just Walnut reflects far more light (LRV 72 vs 30), opening up a space where Dolphin Blue encloses it.