Thunder Clouds vs St. Pauls Blue

Thunder CloudsDuluxvsSt. Pauls BlueJotunΔE 4.7Noticeable difference

Thunder Clouds is a Dulux color while St. Pauls Blue comes from Jotun. Thunder Clouds reads as grey, while St. Pauls Blue reads as blue-grey — two distinct hue families, not close cousins. With LRVs of 17 and 17, they'll behave almost identically in terms of how much light they reflect back into a room. They share a neutral quality — useful to know if you're layering them in the same space. At ΔE 4.7, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.

Color Details

Thunder Clouds
Dulux · 03BB 17/015
Hex#676A6B
LRV17.0
BrandDulux
Number03BB 17/015
Undertone
TemperatureNeutral
BrightnessDark
St. Pauls Blue
Jotun · 5030
Hex#697477
LRV16.7
BrandJotun
Number5030
Undertone
TemperatureNeutral
BrightnessDark

Thunder Clouds vs St. Pauls Blue Simulated Comparison

5 simulated room previews — drag the slider on each to see Thunder Clouds on one side and St. Pauls Blue 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 Thunder Clouds comparisons

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

White Dove
Thunder Clouds
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Thunder Clouds
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Thunder Clouds
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Thunder Clouds reads slightly lighter

Purbeck Stone
Thunder Clouds
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone is the lighter choice

Evergreen Fog
Thunder Clouds
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Evergreen Fog reads noticeably lighter

Mizzle
Thunder Clouds
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle is the lighter choice

Agreeable Gray
Thunder Clouds
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray is the lighter choice

Accessible Beige
Thunder Clouds
Accessible Beige
Sherwin-Williams
Accessible Beige
LRV 58

Accessible Beige is the lighter choice

Denim Drift
Thunder Clouds
Denim Drift
Dulux
Denim Drift
LRV 27

Denim Drift reads slightly lighter

French Gray
Thunder Clouds
French Gray
Farrow & Ball
French Gray
LRV 43

French Gray is the lighter choice

Naval
Thunder Clouds
Naval
Sherwin-Williams
Naval
LRV 4

Thunder Clouds reads noticeably lighter

Tranquil Dawn
Thunder Clouds
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn is the lighter choice

Bancha
Thunder Clouds
Bancha
Farrow & Ball
Bancha
LRV 13

Thunder Clouds reads slightly lighter

Hardwick White
Thunder Clouds
Hardwick White
Farrow & Ball
Hardwick White
LRV 44

Hardwick White is the lighter choice

Pure White
Thunder Clouds
Pure White
Sherwin-Williams
Pure White
LRV 84

Pure White is the lighter choice

Artichoke
Thunder Clouds
Artichoke
Sherwin-Williams
Artichoke
LRV 21

Artichoke reads slightly lighter

Balboa Mist
Thunder Clouds
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist is the lighter choice

Shoji White
Thunder Clouds
Shoji White
Sherwin-Williams
Shoji White
LRV 74

Shoji White is the lighter choice

Snowbound
Thunder Clouds
Snowbound
Sherwin-Williams
Snowbound
LRV 83

Snowbound is the lighter choice

Pewter Green
Thunder Clouds
Pewter Green
Sherwin-Williams
Pewter Green
LRV 12

Thunder Clouds reads slightly lighter

Skimming Stone
Thunder Clouds
Skimming Stone
Farrow & Ball
Skimming Stone
LRV 68

Skimming Stone is the lighter choice

Dix Blue
Thunder Clouds
Dix Blue
Farrow & Ball
Dix Blue
LRV 41

Dix Blue reads noticeably lighter

Calamine
Thunder Clouds
Calamine
Farrow & Ball
Calamine
LRV 68

Calamine is the lighter choice

Treron
Thunder Clouds
Treron
Farrow & Ball
Treron
LRV 25

Treron reads slightly lighter

Vintage Vogue
Thunder Clouds
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Thunder Clouds reads slightly lighter

Saybrook Sage
Thunder Clouds
Saybrook Sage
Benjamin Moore
Saybrook Sage
LRV 45

Saybrook Sage is the lighter choice

Pale Green
Thunder Clouds
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Pale Green reads noticeably lighter

Pine Needle
Thunder Clouds
Pine Needle
Dulux
Pine Needle
LRV 7

Thunder Clouds reads slightly lighter

Cement grey
Thunder Clouds
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Cement grey reads slightly lighter

Guilford Green
Thunder Clouds
Guilford Green
Benjamin Moore
Guilford Green
LRV 57

Guilford Green is the lighter choice