Information about #665B5B color

#665B5B color image

Basic facts about this digital color

The digital color #665B5B is classified in the Register under the Red Color Family, with Desaturated and Neutral brightness. Its exact recipe is rgb(102, 91, 91) — 40% red, 35.7% green, 35.7% blue — and for print it converts to CMYK 0 / 4 / 4 / 60. Curious how these numbers work? Read our RGB color codes guide.

#665B5B presents itself as a muted, almost neutral neutral grey — one that sits comfortably between light and dark. It is a natural fit for balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Carbon Gray (#625D5D). Nearby in the Register you will also find Zambezi (#6B5A5A) and Pure Pewter (#666156).

The recipe behind #665B5B is rgb(102, 91, 91), with red as the dominant ingredient. On this background, white text reaches a 6.5:1 contrast ratio (passing WCAG AA); black stays at 3.2:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#665B5B color variations

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

#665B5B color tints

Tints look brighter, pastel, and less intense.
#665B5B

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#887878

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#A59A9A

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#C3BBBB

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#E1DDDD

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White

#FFFFFF

#665B5B color shades

Shades look darker, richer, and more solid.
#665B5B

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#524848

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#3D3636

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#292424

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#141212

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Black

#000000

#665B5B color tones

Tones looks more sophisticated and complex than base colors.
#665B5B

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#6B6262

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#716969

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#767070

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#7A7777

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Grey

#808080

#665B5B color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#64665B

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#66645B

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#665F5B

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#665B5B

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#665B5F

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#665B64

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#645B66

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#665B5B 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
#665B5B
#665B5B

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#5B6767
#5B6767

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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
#665B5B
#665B5B

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#5B6167
#5B6167

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#5B6761
#5B6761

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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
#67615B
#67615B

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#665B5B
#665B5B

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#675B61
#675B61

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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
#665B5B
#665B5B

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#5B675B
#5B675B

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#5B5B67
#5B5B67

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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
#665B5B
#665B5B

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#67675B
#67675B

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#5B6767
#5B6767

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#5B5B67
#5B5B67

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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
#665B5B
#665B5B

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#61675B
#61675B

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#5B6767
#5B6767

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#615B67
#615B67

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Nearest named colors to #665B5B

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

Carbon Gray color link
Carbon Gray

#625D5D

Zambezi color link
Zambezi

#6B5A5A

Pure Pewter color link
Pure Pewter

#666156

Half Masala color link
Half Masala

#67635C

Minx color link
Minx

#68535B

Matakana color link
Matakana

#685D63

Triple Stonehenge color link
Triple Stonehenge

#665C52

Greyish Dark Green color link
Greyish Dark Green

#656255

Italian Leather color link
Italian Leather

#635A52

Plain Mouse color link
Plain Mouse

#6E5F57

Tinpan Alley color link
Tinpan Alley

#5C5B59

Dorado color link
Dorado

#6E5F56

#665B5B color backgrounds & wallpapers

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

#665B5B color image #665B5B color ORCN HD wallpaper 3840x2160 (Desktop)
#665B5B color image #665B5B color ORCN HD wallpaper 1170x2532 (Mobile)
#665B5B color image #665B5B color solid HD wallpaper 3840x2160 (Desktop)
#665B5B color image #665B5B color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#665B5B
  • RGB102, 91, 91
  • CMYK0, 4, 4, 60
  • CSSrgb(102, 91, 91)
  • HSL0°, 6%, 38%
  • HSL Precise0°, 5.699%, 37.843%
  • HSV0°, 11%, 40%
  • HSB0°, 11%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.357
  • Normalized B (0.0–1.0)0.357
  • GLSLvec3(0.400, 0.357, 0.357)
  • GLSL with alphavec4(0.400, 0.357, 0.357, 1.000)
  • HLSL / Metalfloat3(0.400, 0.357, 0.357)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB35.7%
  • Percentage of Blue in RGB35.7%
  • Color FamilyRed
  • Saturation FamilyDesaturated
  • Lightness FamilyNeutral
  • HEX ID665B5B
  • DECIMAL ID6708059
  • Name LengthThis color has no name
  • Seen by search & AI crawlers33 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.