Dulux Oyster Cove 1 90RR 18/139

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What are Dulux Oyster Cove 1 undertones?
Is Oyster Cove 1 90RR 18/139 cool or warm?
How light temperature affects on Oyster Cove 1
Monochromatic color scheme
Complementary color scheme
Color comparison and matching
Color codes
Color equivalents

Code:	90RR 18/139
Name:	Oyster Cove 1
Brand:	Dulux

What color is Dulux Oyster Cove 1?

Dulux Oyster Cove 1 90RR 18/139 is a muted, mid-dark rosy mauve with a gently greyed finish. Its red-violet cast gives it warmth, while the softened saturation keeps it from reading overly pink. In daylight, this color can appear like a dusty berry neutral; under warm evening lamps, its rose tones become more noticeable. It has enough depth for a dining room, bedroom, or snug, particularly on a full wall where its muted character can settle in. Pair Oyster Cove 1 with warm off-whites, mushroom beige, deep charcoal, or natural oak, and use aged brass or blackened metal for a more grounded contrast.

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What are Dulux Oyster Cove 1 undertones?

Oyster Cove 1 is a midtone, muted berry red. The HEX sample leans pink-red; this describes its measurable digital hue direction, not a hidden paint pigment. Warm bulbs can make it look creamier or more golden, while cool daylight may mute that warmth and pull it closer to beige or greige.

HEX value:

#8A6769

RGB code:

138, 103, 105

Is Dulux Oyster Cove 1 cool or warm?

warm

cool

With a hue of 357°, this dark red reads warm on the HSL color wheel.

90RR 18/139 Oyster Cove 1 HSL code: 357, 15%, 47%

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 Oyster Cove 1

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 dark red shade looks under different lighting:

4000K

2000K

3000K

4000K

5000K

6000K

7000K

Coordinating colors.
Colors that go with Dulux Oyster Cove 1:

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

90RR 18/139
Oyster Cove 1

Darker shades

90RR 18/139
Oyster Cove 1

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 Oyster Cove 1 with a red hue, complementary colors are those with a green hue close to 177, such as Dulux Crushed Mint and Misty Morning.

90RR 18/139
Oyster Cove 1

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Dulux
Oyster Cove 1 90RR 18/139
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