Dulux Blue Diamond 5
| Code: | |
| Name: | Blue Diamond 5 |
| Brand: | Dulux |
What color is Dulux Blue Diamond 5?
Let’s dive into a full Blue Diamond 5 paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful Blue Diamond 5. Find out if this gorgeous cold blue paint color would look great on your living room walls or trims, kitchen cabinet, bedroom accent wall, bathroom or house exterior.
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What are Dulux Blue Diamond 5 undertones?
Blue Diamond 5 has a clear blue undertone based on its position in the color space. We identify undertones by isolating the pure hue (separating it from lightness and saturation), which avoids distortions caused by tints, tones, and shades.
This method is generally more reliable than judging undertones on a white background.
HEX value:
#63B3B9
RGB code:
99, 179, 185
Is Dulux Blue Diamond 5 cool or warm?
At 184° on the HSL hue wheel, this Blue falls clearly in the cool range.
Blue Diamond 5 HSL code: 184, 38%, 56%
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 Blue Diamond 5
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 Blue Diamond 5:
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
Blue Diamond 5
Darker shades
Blue Diamond 5
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 Blue Diamond 5 with a green hue, complementary colors are those with a red hue close to 4, such as Dulux Soft Cinnebar 4 and Cocoa Blush 5.
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 | #63B3B9 | |
| RGB Decimal | 99, 179, 185 | |
| RGB Percent | 38.82%, 70.20%, 72.55% | |
| HSV | Hue: 184° Saturation: 46.49% Value: 72.55% | |
| HSL | hsl(184, 38, 56) | |
| CMYK | Cyan: 46.49 Magenta: 3.24 Yellow: 0.0 Key: 27.45 | |
| YIQ | Y: 155.764 I: -49.6 Q: -15.056 | |
| XYZ | X: 30.019 Y: 38.393 Z: 51.715 | |
| CIE Lab | L:68.309 a:-22.9 b:-10.683 | |
| CIE Luv | L:68.309 u:-35.58 v:-12.711 | |
| Decimal | 6534073 | |
| Hunter Lab | 61.962, -21.957, -6.111 |
Color equivalents
10BG 39/169
Inky Pool 3
Dulux
Javan Dawn 2
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RAL 6034
Pastel turquoise
RAL Classic

17BG 36/333
Javan Dawn 1
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30BG 33/207
Teal Façade
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RAL 6027
Light green
RAL Classic

J367
Mosaic
Tikkurila

Summer Medley 2
Dulux
Blue View
Dulux
Hawaiian Blue 5
Dulux
87GG 51/291
Crystal Surprise 2
Dulux
Blue Diamond 6
Dulux
Electric Blue
Dulux
88GG 32/346
Crystal Surprise 1
Dulux
69BG 40/190
Nordic Sky
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70BG 40/284
Azure Fusion 6
Dulux
90GG 40/115
Sea Urchin 3
Dulux

