Sherwin Williams Umber Rust SW 9100
Contentsshow +hide -
- Sherwin Williams Umber Rust reviews (5 photos)
- What are Sherwin Williams Umber Rust undertones?
- Is Umber Rust SW 9100 cool or warm?
- How light temperature affects on Umber Rust
- Monochromatic color scheme
- Complementary color scheme
- Color comparison and matching
- LRV of Umber Rust SW 9100
- Color codes
- Color equivalents
| Official page: | Umber Rust SW 9100 |
| Code: | SW 9100 |
| Name: | Umber Rust |
| Brand: | Sherwin Williams |
What color is Sherwin Williams Umber Rust?
Sherwin Williams Umber Rust SW 9100 is a deep, earthy brown with a noticeable rust-red cast. Its muted depth keeps the color grounded rather than bright, making it especially effective on a study wall, dining room, or front door. In strong daylight, the warm reddish undertone is easier to see, while lower light lets it read as a richer, more shadowed brown. Pair Umber Rust with creamy off-whites, warm beige textiles, aged brass, and natural wood for a layered look. It also has enough presence for cabinetry or a single accent wall when a room needs more visual weight.
Sherwin Williams Umber Rust reviews (5 photos)
View the photos of real spaces painted with this beige 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 Umber Rust undertones?
Umber Rust is a deep, soft terracotta. The HEX sample leans orange; 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:
RGB code:
118, 81, 56
Is Sherwin Williams Umber Rust cool or warm?
warm
cool
At 24° on the HSL hue wheel, this brown sits firmly on the warm side.
SW 9100 Umber Rust HSL code: 24, 36%, 34%
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 Umber Rust
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 brown shade looks under different lighting:
4000K
Coordinating colors.
Colors that go with Sherwin Williams Umber Rust:
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
SW 9100
Umber Rust
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 Umber Rust with a red hue, complementary colors are those with a green hue close to 204, such as Sherwin Williams Glass Bead and Morning at Sea.
LRV of Umber Rust
Umber Rust has an LRV of 10% and refers to Medium Dark which means that this color reflects very little 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 10%, 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 | #765138 |
| RGB Decimal | 118, 81, 56 |
| RGB Percent | 46.27%, 31.76%, 21.96% |
| HSV | Hue: 24° Saturation: 52.54% Value: 46.27% |
| HSL | hsl(24, 36, 34) |
| CMYK | Cyan: 0.0 Magenta: 31.36 Yellow: 52.54 Key: 53.73 |
| YIQ | Y: 89.213 I: 30.082 Q: 0.047 |
| XYZ | X: 11.128 Y: 10.023 Z: 5.089 |
| CIE Lab | L:37.883 a:12.348 b:20.861 |
| CIE Luv | L:37.883 u:26.601 v:20.713 |
| Decimal | 7754040 |
| Hunter Lab | 31.659, 7.339, 12.631 |
Color equivalents
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HC-186
Charleston Brown
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RAL 8024
Beige brown
RAL Classic
SW 9099
Saddle Up
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2096-10
Seed Brown
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2164-20
Marsh Brown
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Chocolate Truffle
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S200-7
Earth Fired Red
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AF-165
Kona
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AF-240
Satchel
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SW 9107
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RAL 8007
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SW 2807
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PPU4-20
Ancient Root
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2095-20
Antler Brown
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2110-20
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SW 6097
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