Dulux Niagara Blues 4 / Nordic Seas / 10BB 55/065

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What are Dulux Niagara Blues 4 undertones?
Is Niagara Blues 4 10BB 55/065 cool or warm?
How light temperature affects on Niagara Blues 4
Monochromatic color scheme
Complementary color scheme
Color comparison and matching
Color codes
Color equivalents

Code:	10BB 55/065
Name:	Niagara Blues 4
Brand:	Dulux

What color is Dulux Niagara Blues 4?

Dulux Niagara Blues 4 10BB 55/065 is a light, muted blue-grey with a noticeably cool cast and soft greyed depth. Its low-key saturation keeps it from reading as a bright sky blue, giving walls a calm, lightly weathered appearance instead. In daylight, the blue tone is likely to appear clearer, while warmer artificial light can draw attention to its grey side. Niagara Blues 4 suits bedrooms, bathrooms, and quiet living areas, particularly alongside crisp white trim, pale oak, brushed nickel, or charcoal details. It can also make a restrained choice for cabinetry when paired with warm stone or off-white walls.

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What are Dulux Niagara Blues 4 undertones?

Niagara Blues 4 is a mid-light, very muted pale blue-gray. The HEX sample has a subtle blue bias, but its low chroma turns that hue into a neutral-looking color rather than a clear blue. Warm bulbs may gray the color down, while cool daylight usually makes its blue or teal direction clearer.

HEX value:

#B8C4CC

RGB code:

184, 196, 204

Is Dulux Niagara Blues 4 cool or warm?

warm

cool

With a hue of 204°, this Blue reads cool based on its HSL hue position.

10BB 55/065 Niagara Blues 4 HSL code: 204, 16%, 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.

How light temperature affects Niagara Blues 4

Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.

Sunrise

Morning

Noon

Afternoon

Sunset

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 in Kelvins.
Use the slider to see how this Blue shade looks under different lighting:

4000K

2000K

3000K

4000K

5000K

6000K

7000K

Coordinating colors.
Colors that go with Dulux Niagara Blues 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

10BB 55/065
Niagara Blues 4

Darker shades

10BB 55/065
Niagara Blues 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 Niagara Blues 4 with a green hue, complementary colors are those with a red hue close to 24, such as Dulux Cocoa Blush 5 and Chalk Blush 3.

10BB 55/065
Niagara Blues 4

Compare
Dulux
Niagara Blues 4 10BB 55/065
to any other colors

Dulux
Niagara Blues 4 10BB 55/065
color equivalents

Color codes

We have collected almost every possible color code you could ever need.
Not sure what the difference between HEX and RGB is? We break down color models in plain language. Understanding color models

Format	Code
HEX	#B8C4CC
RGB Decimal	184, 196, 204
RGB Percent	72.16%, 76.86%, 80.00%
HSV	Hue: 204° Saturation: 9.8% Value: 80.0%
HSL	hsl(204, 16, 76)
CMYK	Cyan: 9.8 Magenta: 3.92 Yellow: 0.0 Key: 20.0
YIQ	Y: 193.324 I: -9.722 Q: -0.049
XYZ	X: 50.403 Y: 54.029 Z: 64.884
CIE Lab	L:78.479 a:-2.527 b:-5.407
CIE Luv	L:78.479 u:-6.966 v:-7.793
Decimal	12109004
Hunter Lab	73.505, -6.233, -0.883