Valspar UK Thunderbolt X138R272A
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| Official page: | Thunderbolt X138R272A |
| Code: | X138R272A |
| Name: | Thunderbolt |
| Brand: | Valspar UK |
What color is Valspar UK Thunderbolt?
Valspar UK Thunderbolt X138R272A is a deep, muted green with a noticeable grey cast, giving it a grounded, low-saturation appearance. Its balanced red and blue values keep the green neutral rather than yellow or blue-leaning, so it reads as a restrained woodland shade. In bright natural light, Thunderbolt may show more of its softened green character, while evening light can make it appear closer to charcoal-green. It suits studies, hallways, dining rooms, or cabinetry where a darker colour can add definition without looking stark. Pair it with warm off-whites, natural oak, aged brass, stone, and textured linen to bring out its earthy depth.
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What are Valspar UK Thunderbolt undertones?
Thunderbolt is a deep, very muted mossy gray-green. The HEX sample has a subtle green bias, but its low chroma turns that hue into a neutral-looking color rather than a clear green. Warm light can make it look more olive and earthy, while cool daylight usually makes the green direction easier to notice.
HEX value:
RGB code:
74, 86, 74
Is Valspar UK Thunderbolt cool or warm?
With a hue of 120°, this dark green leans cool, but it is near the neutral line and may feel warmer in certain lighting.
X138R272A Thunderbolt HSL code: 120, 8%, 31%
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 Thunderbolt
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 in Kelvins.
Use the slider to see how this dark green shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Valspar UK Thunderbolt:
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
X138R272A
Thunderbolt
Darker shades
X138R272A
Thunderbolt
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 Thunderbolt with a yellow hue, complementary colors are those with a purple hue close to 300, such as Valspar UK Calm Cupid and Plush Luxury.
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 | #4a564a |
| RGB Decimal | 74, 86, 74 |
| RGB Percent | 29.02%, 33.73%, 29.02% |
| HSV | Hue: 120° Saturation: 13.95% Value: 33.73% |
| HSL | hsl(120, 7.5, 31.37) |
| CMYK | Cyan: 13.95 Magenta: 0.0 Yellow: 13.95 Key: 66.27 |
| YIQ | Y: 81.044 I: -3.295 Q: -6.273 |
| XYZ | X: 7.388 Y: 8.606 Z: 7.749 |
| CIE Lab | L:35.214 a:-7.368 b:5.42 |
| CIE Luv | L:35.214 u:-5.872 v:7.593 |
| Decimal | 4871754 |
| Hunter Lab | 29.336, -6.386, 4.874 |
Color equivalents
X139R273A
Norway Spruce
Valspar UK
S 7010-G10Y
NCS

SW 6195
Rock Garden
Sherwin Williams

R271A
L'Escargot
Valspar UK
707
Calico Blue
Benjamin Moore

8003-34G
Sherwood Forest
Valspar US
T608
Capers
Valspar US
S 7010-G30Y
NCS

SW 0065
Vogue Green
Sherwin Williams

5006-4C
Treeline
Valspar US
V098-6
Thunderbolt
Valspar US
448
Dakota Shadow
Benjamin Moore

V099-6
Jade Sea
Valspar US
X140R274A
Weather the Storm
Valspar UK
CSP-810
Chimichurri
Benjamin Moore

SW 0016
Billiard Green
Sherwin Williams

SW 7730
Forestwood
Sherwin Williams

X142R276A
Shady Lane
Valspar UK



