Dulux Midnight Iris 4 90BB 65/049

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What are Dulux Midnight Iris 4 undertones?
Is Midnight Iris 4 90BB 65/049 cool or warm?
How light temperature affects on Midnight Iris 4
Monochromatic color scheme
Complementary color scheme
Color comparison and matching
Color codes
Color equivalents

Code:	90BB 65/049
Name:	Midnight Iris 4
Brand:	Dulux

What color is Dulux Midnight Iris 4?

Dulux Midnight Iris 4 90BB 65/049 is a light, muted blue-grey with a gently cool cast. Its pale value keeps it airy on broad walls, while the low saturation prevents it from reading as overtly blue. In daylight, this color can appear clean and softly silvery; under warmer lamps, its grey base becomes more noticeable. It suits bedrooms, bathrooms, and quiet living areas, particularly alongside crisp white trim, pale oak, brushed nickel, and charcoal details. For more contrast, pair Midnight Iris 4 with deep navy, inky blue-grey, or matte black accents.

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What are Dulux Midnight Iris 4 undertones?

Midnight Iris 4 is a light, near-neutral light gray. Its chroma is so low that assigning a specific hue-based undertone would be misleading. Because it is close to neutral, nearby surfaces and the color of the light can noticeably change how warm or cool it appears.

HEX value:

#D0D1D9

RGB code:

208, 209, 217

Is Dulux Midnight Iris 4 cool or warm?

warm

cool

With a hue of 233°, this Grey leans cool, but it is near the neutral line and may feel warmer in certain lighting.

90BB 65/049 Midnight Iris 4 HSL code: 233, 11%, 83%

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 Midnight Iris 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 Grey shade looks under different lighting:

2000K

3000K

4000K

5000K

6000K

7000K

Coordinating colors.
Colors that go with Dulux Midnight Iris 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

90BB 65/049
Midnight Iris 4

Darker shades

90BB 65/049
Midnight Iris 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 Midnight Iris 4 with a blue hue, complementary colors are those with a orange hue close to 53, such as Dulux Nordic Bliss and Thimble Case.

90BB 65/049
Midnight Iris 4

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Midnight Iris 4 90BB 65/049
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