Dulux Lost Coral / Fire Cracker 4 / 10YR 21/436
| Code: | 10YR 21/436 |
| Name: | Lost Coral |
| Brand: | Dulux |
What color is Dulux Lost Coral?
Let’s dive into a full Lost Coral paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 10YR 21/436. Find out if this gorgeous warm red 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 Lost Coral undertones?
Lost Coral has a clear red 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:
#C15A57
RGB code:
193, 90, 87
Is Dulux Lost Coral 10YR 21/436 cool or warm?
warm
cool
At 2° on the HSL hue wheel, this dark red sits firmly on the warm side.
10YR 21/436 Lost Coral HSL code: 2, 46%, 55%
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 Lost Coral
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 dark red shade looks under different lighting:
4000K
Coordinating colors.
Colors that go with Dulux Lost Coral:
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
10YR 21/436
Lost Coral
Darker shades
10YR 21/436
Lost Coral
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 Lost Coral with a red hue, complementary colors are those with a green hue close to 182, such as Dulux Misty Morning and Denim Drift.
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 | #C15A57 |  |
| RGB Decimal | 193, 90, 87 | |
| RGB Percent | 75.69%, 35.29%, 34.12% | |
| HSV | Hue: 2° Saturation: 54.92% Value: 75.69% | |
| HSL | hsl(2, 46, 55) | |
| CMYK | Cyan: 0.0 Magenta: 53.37 Yellow: 54.92 Key: 24.31 | |
| YIQ | Y: 120.455 I: 62.342 Q: 20.855 | |
| XYZ | X: 27.371 Y: 19.341 Z: 11.306 | |
| CIE Lab | L:51.084 a:41.027 b:21.658 | |
| CIE Luv | L:51.084 u:75.519 v:17.942 | |
| Decimal | 12671575 | |
| Hunter Lab | 43.978, 34.13, 15.542 | |
Dulux 10YR 21/436 Lost Coral
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Color equivalents
RAL 3017
Rose
RAL Classic
Wild Poppy
Dulux
212
Blazer
Farrow and Ball
90RR 21/418
Red Stallion 4
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Collective Coral
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90RR 18/450
Raspberry Bellini
Dulux
Coral Flair
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04YR 18/324
Auburn Embers
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30YR 25/463
Hot Paprika 5
Dulux
Mahogany Red
Dulux
RAL 3018
Strawberry red
RAL Classic
189
Carmine
Little Greene
10YR 16/407
Thai Magic 1
Dulux
Roasted Red
Dulux
90RR 20/296
Stolen Rose
Dulux
304
Bamboozle
Farrow and Ball
Rose Trellis 1
Dulux
RAL 3022
Salmon pink
RAL Classic
