Dulux Steel Symphony 4 90BG 55/051
| Code: | 90BG 55/051 |
| Name: | Steel Symphony 4 |
| Brand: | Dulux |
What color is Dulux Steel Symphony 4?
Step into a realm of sophistication and elegance with Dulux Steel Symphony 4 (90BG 55/051) enveloping your space. This opulent shade marries the timeless allure of steel grey with a hint of ethereal symphony, casting a spell of calm and charm in any room. Perfect for enhancing a modern living room, adding depth to a cozy bedroom, or bringing a touch of luxe to a chic home office, this versatile hue seamlessly blends with contemporary and classic design schemes. Let the Steel Symphony 4 color elevate your interiors, creating a sanctuary of style and serenity.
Steel Symphony 4 for living room
Check out this stunning Light color used in real living rooms. Explore how this Blue shade can create a unique space
Dulux 90BG 55/051 for bathroom
Looking for inspiration for your dream bathroom renovation project? These beautiful handpicked photos will show you this delightfully cool Light real bathrooms.
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What are Dulux Steel Symphony 4 undertones?
The undertone of Steel Symphony 4 can be accurately described as a Blue hue, as is apparent from the color space provided. By isolating the pure hue and eliminating any tints, tones, and shades, we were able to precisely determine its undertone. This approach has proven to be more accurate than traditional methods of defining undertones on a white background, which are now considered outdated.
HEX value
HEX value:
#B9C4C9
RGB code:
185, 196, 201
Is Dulux Steel Symphony 4 90BG 55/051 cool or warm?
With a hue of 199° thisBluerefers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.
90BG 55/051 Steel Symphony 4 HSL code: 199, 13%, 76%
Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is expressed as a percentage. At 0%, it appears as a shade of grey, and at 100%, it is in full color..
Lightness is also a percentage value. 0% is black, and 100% is white.
- Cooler hues have a calm and relaxation effect
- Cool blue shades make a room feel sleek, fresh, and modern, perfect for bedrooms, bathrooms, and home offices where a sense of calm and sophistication is desired.
- Light, soft colors like pastel blues and greens make a room feel fresh and open. They're great for bathrooms, nurseries, and kitchens, creating a calm and inviting atmosphere. Just avoid using these colors in north-facing rooms, as they might feel too cold.
Act like a pro: Mixing warm and cool shades is a must have to get harmonius interior. Add accents that contrast with the primary color to create visual balance. If your walls are a warm color, don’t forget to add accent in cold colors (furniture, art, décor). A good practice is too use a complementary color scheme.
How light temperature affects Steel Symphony 4
Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.
In addition, natural‑light temperature depends on its direction:
| Direction of sunlight | Visible temp. | Hue | Duration |
|---|---|---|---|
| North | Cool | Bluish | All day |
| East | Warm | Yellow | Before noon |
| West | Warm | Orange‑red | After noon |
| South | Warm | Orange‑yellow | All day |
Artificial Lighting. When choosing bulbs, pay attention to their color‑temperature (Kelvins).
Use the slider to see how this Blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Dulux Steel Symphony 4:
Monochromatic color scheme
This scheme consists of various shades, tints, and tones of a single color. While it offers a perfect combination of hues, without accent décor it may become monotonous.
Lighter shades
90BG 55/051
Steel Symphony 4
Darker shades
90BG 55/051
Steel Symphony 4
Complementary color scheme
This color scheme is a combination of two shades that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect. For the color Steel Symphony 4 with a green hue, complementary colors are those with a red hue close to 19, such as Dulux Cocoa Blush 5 and Chalk Blush 3.
90BG 55/051
Steel Symphony 4
LRV of Steel Symphony 4
Steel Symphony 4 has an LRV of 54% and refers to Light Medium colors that reflect half of the incident light. Why LRV is important?
Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher the LRV of a paint color, the brighter the room you will get.
The scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting all light).
Act like a pro: When choosing paint with an LRV of 54%, pay attention to your bulbs' brightness. Light brightness is measured in lumens. The lower the paint's LRV, the higher lumen level you need. Every square foot of room needs at least 40 lumens. That means for a 200 ft2 living room you’ll need about 8000 lumens of light – e.g., eight 1000 lm bulbs.
Color codes
We have collected almost every possible color code you could ever need. To copy the code, just click the icon to the right of it.
| Format | Code | |
|---|---|---|
| HEX | #b9c4c9 | |
| RGB Decimal | 185, 196, 201 | |
| RGB Percent | 72.55%, 76.86%, 78.82% | |
| HSV | Hue: 199° Saturation: 7.96% Value: 78.82% | |
| HSL | hsl(199, 13, 76) | |
| CMYK | Cyan: 7.96 Magenta: 2.49 Yellow: 0.0 Key: 21.18 | |
| YIQ | Y: 193.281 I: -8.162 Q: -0.771 | |
| XYZ | X: 50.287 Y: 54.011 Z: 63.018 | |
| CIE Lab | L:78.468 a:-2.791 b:-3.797 | |
| CIE Luv | L:78.468 u:-6.303 v:-5.272 | |
| Decimal | 12174537 | |
| Hunter Lab | 73.492, -6.472, 0.604 |
Color equivalents
10BB 55/065
Niagara Blues 4
Dulux
27
Parma Gray
Farrow and Ball

70BG 56/061
Coastal Grey
Dulux

08GY 32/058
Misty Morning
Dulux
K492
Tikkurila

X438
Secret
Tikkurila

327
Obscura
Little Greene

J491
Tikkurila

K498
Haven
Tikkurila

K500
Tikkurila

Steel Parade
Dulux

CC6
Hazy
Farrow and Ball

90BG 56/088
Pebble Drift 4
Dulux

90BG 63/043
Steel Symphony 5
Dulux

Misty Sky
Dulux
166
Gauze - Dark
Little Greene










