Information about #646D6D color

#646D6D color image

Basic facts about this digital color

#646D6D falls into the Cyan Color Family — Desaturated, Light brightness. The mix behind it: rgb(100, 109, 109) — 39.2% red, 42.7% green, 42.7% blue; the print equivalent is CMYK 4 / 0 / 0 / 57. New to color codes? See our guide to RGB color codes.

A quiet, subdued balanced grey tone, #646D6D feels open and friendly. Designers typically reach for tones like this for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is almost identical to Pale Sky (#636D70). Its next-closest registered neighbors are Nevada (#666F6F) and Mid Grey (#666A6D).

In RGB terms — rgb(100, 109, 109) — the green channel does the heavy lifting here. Accessibility-wise, white text works best on #646D6D: 5.3:1 contrast (passing WCAG AA) versus 4.0:1 for black. Out of 16,777,216 possible colors, #646D6D is still unnamed — it can be claimed and named in The Official Register of Color Names.

#646D6D color variations

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

#646D6D color tints

Tints look brighter, pastel, and less intense.
#646D6D

Color has no name
#818B8B

Color has no name
#A1A8A8

Color has no name
#C0C5C5

Color has no name
#DFE2E2

Color has no name
White

#FFFFFF

#646D6D color shades

Shades look darker, richer, and more solid.
#646D6D

Color has no name
#505656

Color has no name
#3C4141

Color has no name
#282B2B

Color has no name
#141515

Color has no name
Black

#000000

#646D6D color tones

Tones looks more sophisticated and complex than base colors.
#646D6D

Color has no name
#697070

Color has no name
#6F7474

Color has no name
#747878

Color has no name
#797B7B

Color has no name
Grey

#808080

#646D6D color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#66646C

Color has no name
#64666C

Color has no name
#64696C

Color has no name
#646D6D

Color has no name
#646C69

Color has no name
#646C66

Color has no name
#666C64

Color has no name

#646D6D 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
#646D6D
#646D6D

Color has no name

#6D6464
#6D6464

Color has no name

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
#646D6D
#646D6D

Color has no name

#6D6964
#6D6964

Color has no name

#6D6469
#6D6469

Color has no name

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
#64696D
#64696D

Color has no name

#646D6D
#646D6D

Color has no name

#646D69
#646D69

Color has no name

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
#646D6D
#646D6D

Color has no name

#6D646D
#6D646D

Color has no name

#6D6D64
#6D6D64

Color has no name

Tetradic

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

Tetradic color scheme
#646D6D
#646D6D

Color has no name

#64646D
#64646D

Color has no name

#6D6464
#6D6464

Color has no name

#6D6D64
#6D6D64

Color has no name

Square

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

Square color scheme
#646D6D
#646D6D

Color has no name

#69646D
#69646D

Color has no name

#6D6464
#6D6464

Color has no name

#696D64
#696D64

Color has no name

Nearest named colors to #646D6D

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

Pale Sky color link
Pale Sky

#636D70

Nevada color link
Nevada

#666F6F

Mid Grey color link
Mid Grey

#666A6D

Quarter Tuna color link
Quarter Tuna

#656A70

Corduroy color link
Corduroy

#606E68

Dim Gray color link
Dim Gray

#696969

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Shuttle Grey color link
Shuttle Grey

#61666B

Cliff Face Grey color link
Cliff Face Grey

#6C6E6D

Granite Gray color link
Granite Gray

#676767

Obelisk color link
Obelisk

#617274

Traffic color link
Traffic

#6C6D68

#646D6D color backgrounds & wallpapers

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

#646D6D color image #646D6D color ORCN HD wallpaper 3840x2160 (Desktop)
#646D6D color image #646D6D color ORCN HD wallpaper 1170x2532 (Mobile)
#646D6D color image #646D6D color solid HD wallpaper 3840x2160 (Desktop)
#646D6D color image #646D6D color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#646D6D
  • RGB100, 109, 109
  • CMYK4, 0, 0, 57
  • CSSrgb(100, 109, 109)
  • HSL180°, 4%, 41%
  • HSL Precise180°, 4.306%, 40.98%
  • HSV180°, 8%, 43%
  • HSB180°, 8%, 43%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.427
  • Normalized B (0.0–1.0)0.427
  • GLSLvec3(0.392, 0.427, 0.427)
  • GLSL with alphavec4(0.392, 0.427, 0.427, 1.000)
  • HLSL / Metalfloat3(0.392, 0.427, 0.427)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB42.7%
  • Percentage of Blue in RGB42.7%
  • Color Family (Hue)Cyan
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID646D6D
  • DECIMAL ID6581613
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

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