Information about #666D66 color

#666D66 color image

Basic facts about this digital color

The digital color #666D66 is classified in the Register under the Green Color Family, with Desaturated and Light brightness. In numbers: rgb(102, 109, 102) (40% red, 42.7% green, 40% blue), or CMYK 3 / 0 / 3 / 57 for print. New to color codes? See our guide to RGB color codes.

#666D66 is a muted, almost neutral grey that sits on the lighter side of the spectrum. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Dim Gray (#696969). Nearby in the Register you will also find Granite Gray (#676767) and Traffic (#6C6D68).

Technically, the mix leans on its green channel (rgb(102, 109, 102)), which gives #666D66 its character. If you plan to put text on a #666D66 background, choose white — the contrast ratio is 5.3:1 (passing WCAG AA), while black manages only 3.9:1. Out of 16,777,216 possible colors, #666D66 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#666D66 color variations

View this color variations of tints, shades, tones and hues.

#666D66 color tints

Tints look brighter, pastel, and less intense.
#666D66

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#838A83

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#A2A7A2

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#C1C4C1

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#E0E1E0

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White

#FFFFFF

#666D66 color shades

Shades look darker, richer, and more solid.
#666D66

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#515651

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#3C403C

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#282B28

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#141514

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Black

#000000

#666D66 color tones

Tones looks more sophisticated and complex than base colors.
#666D66

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#6A6F6A

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#6F736F

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#747774

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#7A7B7A

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Grey

#808080

#666D66 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#656A6B

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#656B6A

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#656B67

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#666D66

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#676B65

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#6A6B65

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#6B6A65

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#666D66 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes
#666D66
#666D66

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#6C656C
#6C656C

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Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme
#666D66
#666D66

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#6C6569
#6C6569

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#69656C
#69656C

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Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme
#656C69
#656C69

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#666D66
#666D66

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#696C65
#696C65

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Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme
#666D66
#666D66

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#65656C
#65656C

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#6C6565
#6C6565

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#666D66
#666D66

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#656C6C
#656C6C

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#6C656C
#6C656C

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#6C6565
#6C6565

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#666D66
#666D66

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#65696C
#65696C

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#6C656C
#6C656C

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#6C6965
#6C6965

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Nearest named colors to #666D66

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Dim Gray color link
Dim Gray

#696969

Granite Gray color link
Granite Gray

#676767

Traffic color link
Traffic

#6C6D68

Corduroy color link
Corduroy

#606E68

Chicane color link
Chicane

#686765

Double Trojan color link
Double Trojan

#656664

Port Phillip color link
Port Phillip

#647464

Mid Grey color link
Mid Grey

#666A6D

Cloudy Gray color link
Cloudy Gray

#6D6968

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Double Tapa color link
Double Tapa

#6A6A5F

Nevada color link
Nevada

#666F6F

#666D66 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#666D66 color image #666D66 color ORCN HD wallpaper 3840x2160 (Desktop)
#666D66 color image #666D66 color ORCN HD wallpaper 1170x2532 (Mobile)
#666D66 color image #666D66 color solid HD wallpaper 3840x2160 (Desktop)
#666D66 color image #666D66 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#666D66
  • RGB102, 109, 102
  • CMYK3, 0, 3, 57
  • CSSrgb(102, 109, 102)
  • HSL120°, 3%, 41%
  • HSL Precise120°, 3.318%, 41.373%
  • HSV120°, 6%, 43%
  • HSB120°, 6%, 43%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.427
  • Normalized B (0.0–1.0)0.400
  • GLSLvec3(0.400, 0.427, 0.400)
  • GLSL with alphavec4(0.400, 0.427, 0.400, 1.000)
  • HLSL / Metalfloat3(0.400, 0.427, 0.400)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB42.7%
  • Percentage of Blue in RGB40%
  • Color FamilyGreen
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID666D66
  • DECIMAL ID6712678
  • Name LengthThis color has no name
  • Seen by search & AI crawlers24 times
  • Counting from2025-01-01

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ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.