Information about #646E6A color

#646E6A color image

Basic facts about this digital color

In the Register's classification, #646E6A belongs to the Spring Green Color Family, featuring Desaturated and Light brightness. The mix behind it: rgb(100, 110, 106) — 39.2% red, 43.1% green, 41.6% blue; the print equivalent is CMYK 4 / 0 / 2 / 57. Curious how these numbers work? Read our RGB color codes guide.

The color #646E6A reads as a softly muted neutral grey and carries an easy, daylight feel. Expect to see shades like this in versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is almost identical to Corduroy (#606E68). Slightly further away sit Mid Grey (#666A6D) and Nevada (#666F6F).

The recipe behind #646E6A is rgb(100, 110, 106), with green as the dominant ingredient. Accessibility-wise, white text works best on #646E6A: 5.3:1 contrast (passing WCAG AA) versus 4.0:1 for black. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#646E6A color variations

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

#646E6A color tints

Tints look brighter, pastel, and less intense.
#646E6A

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#808C87

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#A0A9A5

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#BFC5C3

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#DFE2E1

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White

#FFFFFF

#646E6A color shades

Shades look darker, richer, and more solid.
#646E6A

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#4F5754

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#3B413F

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#272B2A

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#131515

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Black

#000000

#646E6A color tones

Tones looks more sophisticated and complex than base colors.
#646E6A

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#68716E

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#6E7572

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#737876

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#797C7B

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Grey

#808080

#646E6A color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#63656D

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#63696D

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#636D6D

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#646E6A

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#636D65

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#656D63

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#696D63

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#646E6A 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
#646E6A
#646E6A

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#6E6368
#6E6368

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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
#646E6A
#646E6A

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#6E6463
#6E6463

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#6E636D
#6E636D

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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
#636D6E
#636D6E

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#646E6A
#646E6A

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#636E64
#636E64

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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
#646E6A
#646E6A

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#6A636E
#6A636E

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#6E6A63
#6E6A63

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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
#646E6A
#646E6A

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#63686E
#63686E

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#6E6368
#6E6368

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#6E6A63
#6E6A63

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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
#646E6A
#646E6A

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#64636E
#64636E

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#6E6368
#6E6368

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#6D6E63
#6D6E63

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Nearest named colors to #646E6A

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

Corduroy color link
Corduroy

#606E68

Mid Grey color link
Mid Grey

#666A6D

Nevada color link
Nevada

#666F6F

Pale Sky color link
Pale Sky

#636D70

Dim Gray color link
Dim Gray

#696969

Quarter Tuna color link
Quarter Tuna

#656A70

Granite Gray color link
Granite Gray

#676767

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Traffic color link
Traffic

#6C6D68

Port Phillip color link
Port Phillip

#647464

Cliff Face Grey color link
Cliff Face Grey

#6C6E6D

Shuttle Grey color link
Shuttle Grey

#61666B

#646E6A color backgrounds & wallpapers

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

#646E6A color image #646E6A color ORCN HD wallpaper 3840x2160 (Desktop)
#646E6A color image #646E6A color ORCN HD wallpaper 1170x2532 (Mobile)
#646E6A color image #646E6A color solid HD wallpaper 3840x2160 (Desktop)
#646E6A color image #646E6A color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#646E6A
  • RGB100, 110, 106
  • CMYK4, 0, 2, 57
  • CSSrgb(100, 110, 106)
  • HSL156°, 5%, 41%
  • HSL Precise156°, 4.762%, 41.176%
  • HSV156°, 9%, 43%
  • HSB156°, 9%, 43%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.431
  • Normalized B (0.0–1.0)0.416
  • GLSLvec3(0.392, 0.431, 0.416)
  • GLSL with alphavec4(0.392, 0.431, 0.416, 1.000)
  • HLSL / Metalfloat3(0.392, 0.431, 0.416)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB43.1%
  • Percentage of Blue in RGB41.6%
  • Color FamilySpring Green
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID646E6A
  • DECIMAL ID6581866
  • Name LengthThis color has no name
  • Seen by search & AI crawlers20 times
  • Counting from2025-01-01

Copyright © 2021-2026 The Official Register of Color Names. All Rights Reserved.

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.