Sherwin Williams Lullaby SW 9136
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| Official page: | Lullaby SW 9136 |
| Code: | SW 9136 |
| Name: | Lullaby |
| Brand: | Sherwin Williams |
| Collections: | Living Well - Unwind |
What color is Sherwin Williams Lullaby?
Sherwin Williams Lullaby SW 9136 is a pale, muted blue-gray with a faint green cast that keeps it from reading like a straightforward icy blue. Its low saturation gives walls a soft, lightly clouded appearance, especially in rooms with generous natural light. In cooler north-facing spaces, Lullaby can appear more blue-gray, while warm bulbs may bring out its quiet gray-green side. It suits bedrooms, bathrooms, and laundry rooms, as well as built-in cabinetry when a subtle alternative to white is wanted. Pair it with crisp white trim, light oak, brushed nickel, charcoal accents, or natural linen for an understated, clean-lined palette.
Sherwin Williams Lullaby reviews (7 photos)
View the photos of real spaces painted with this blue that were not included in specific categories. Close-ups, painted furniture, storages and dressers, hallways, stairs and ceilings.







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What are Sherwin Williams Lullaby undertones?
Lullaby reads as a light, low-saturation blue-gray with an almost neutral overall character. In the supplied digital sample, the color leans very slightly toward teal, but that bias is subtle enough that a firm undertone call would be uncertain. Sherwin-Williams classifies Lullaby as a blue, which fits its visible blue-based main color family rather than indicating a stronger green or gray color. Warm artificial light may make its gray softness more noticeable, while cool daylight can make the faint blue-teal cast easier to see.
Manufacturer information used in this description: official color page.
HEX value:
RGB code:
203, 212, 212
Is Sherwin Williams Lullaby cool or warm?
With a hue of 180°, this Blue leans cool, but it is near the neutral line and may feel warmer in certain lighting.
SW 9136 Lullaby HSL code: 180, 9%, 81%
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 Lullaby
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 Blue shade looks under different lighting:


4000K
Coordinating colors.
Colors that go with Sherwin Williams Lullaby:
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
Darker shades
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 Lullaby with a green hue, complementary colors are those with a red hue close to 0, such as Sherwin Williams Mauve Tinge and Studio Mauve.
LRV of Lullaby
Lullaby has an LRV of 64.67% and refers to Light colors that reflect most of the incident light. Why LRV is important?
Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher the LRV of a paint color, the brighter the room you will get.
The scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting all light).
Act like a pro: When choosing paint with an LRV of 64.67%, pay attention to your bulbs' brightness. Light brightness is measured in lumens. The lower the paint's LRV, the higher lumen level you need. Every square foot of room needs at least 40 lumens. That means for a 200 ft2 living room you'll need about 8000 lumens of light – e.g., eight 1000 lm bulbs.
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 | #cbd4d4 |
| RGB Decimal | 203, 212, 212 |
| RGB Percent | 79.61%, 83.14%, 83.14% |
| HSV | Hue: 180° Saturation: 4.25% Value: 83.14% |
| HSL | hsl(180, 9, 81) |
| CMYK | Cyan: 4.25 Magenta: 0.0 Yellow: 0.0 Key: 16.86 |
| YIQ | Y: 209.309 I: -5.363 Q: -1.904 |
| XYZ | X: 60.053 Y: 64.537 Z: 71.563 |
| CIE Lab | L:84.244 a:-3.044 b:-1.054 |
| CIE Luv | L:84.244 u:-4.99 v:-1.07 |
| Decimal | 13358292 |
| Hunter Lab | 80.335, -7.151, 3.418 |
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