Sherwin Williams Gentian SW 6817

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Official page:Gentian SW 6817
Code:SW 6817
Name:Gentian
Brand:Sherwin Williams

What color is Sherwin Williams Gentian?

Sherwin Williams Gentian SW 6817 is a medium periwinkle blue with a muted gray cast that keeps it from reading overly bright. Its blue base carries a noticeable violet influence, giving the color a cool, slightly softened appearance. In daylight, Gentian can look cleaner and bluer, while lower or warmer indoor lighting may bring forward its dusky lavender notes. It has enough depth for a bedroom wall, home office, or powder room without making the room feel as dark as a navy. Pair it with soft white trim, weathered oak, pale gray textiles, or brushed nickel for a restrained, coordinated look. On cabinetry or a single accent wall, this shade offers more color presence than a standard blue-gray.

Gentian for exterior (2 photos)

Looking for a fresh new look for your house exterior or starting from skretch? We’ve collected pictures of real-life homes that have been painted with this cool purple hue. Find inspiration for your house’s exterior, front doors, gates, shutters, frames or windows.

SW Gentian house exterior color
@sarah.karon
Sherwin Williams Gentian house exterior color
@sarah.karon

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What are Sherwin Williams Gentian undertones?

Gentian is a midtone, soft slate blue. The HEX sample leans blue; this describes its measurable digital hue direction, not a hidden paint pigment. Warm bulbs may gray the color down, while cool daylight usually makes its blue or teal direction clearer.

HEX value:

#6572A5

RGB code:

101, 114, 165

Is Sherwin Williams Gentian cool or warm?

warm
cool
Color wheel

With a hue of 228°, this dark purple reads cool based on its HSL hue position.

SW 6817 Gentian HSL code: 228, 26%, 52%

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 Gentian

Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.

Bedroom daylight mockup
Bedroom overlay
Sunrise
Morning
Noon
Afternoon
Sunset

In addition, natural-light temperature depends on its direction:

Direction of sunlightVisible temp.HueDuration
NorthCoolBluishAll day
EastWarmYellowBefore noon
WestWarmOrange-redAfter noon
SouthWarmOrange-yellowAll day

Artificial Lighting. When choosing bulbs, pay attention to their color temperature in Kelvins.
Use the slider to see how this dark purple shade looks under different lighting:

Living-room mockup
Living-room overlay

4000K

2000K
3000K
4000K
5000K
6000K
7000K

Coordinating colors.
Colors that go with Sherwin Williams Gentian:

Monochromatic color scheme

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 6817
Gentian

Darker shades

Complementary color scheme

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 Gentian with a blue hue, complementary colors are those with a orange hue close to 48, such as Sherwin Williams Griffin and Warm Stone.

LRV of Gentian

Gentian has an LRV of 17.55% and refers to Medium Dark which means that this color reflects very little lightWhy LRV is important?

Light Reflectance Value scale illustration

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 17.55%, 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

FormatCode
HEX#6572a5
RGB Decimal101, 114, 165
RGB Percent39.61%, 44.71%, 64.71%
HSVHue: 228° Saturation: 38.79% Value: 64.71%
HSLhsl(228, 26, 52)
CMYKCyan: 38.79 Magenta: 30.91 Yellow: 0.0 Key: 35.29
YIQY: 115.927 I: -24.135 Q: 13.121
XYZX: 18.173 Y: 17.517 Z: 38.011
CIE LabL:48.905 a:8.287 b:-28.919
CIE LuvL:48.905 u:-8.767 v:-43.979
Decimal6648485
Hunter Lab41.853, 4.263, -24.549

Color equivalents