Information about #646C63 color

#646C63 color image

Basic facts about this digital color

The digital color #646C63 is classified in the Register under the Green Color Family, with Desaturated and Light brightness. Its exact recipe is rgb(100, 108, 99) — 39.2% red, 42.4% green, 38.8% blue — and for print it converts to CMYK 3 / 0 / 4 / 58. New to color codes? See our guide to RGB color codes.

A quiet, subdued grey, #646C63 feels open and friendly. Designers typically reach for tones like this for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Double Trojan (#656664). Its next-closest registered neighbors are Corduroy (#606E68) and Chicane (#686765).

Technically, the mix leans on its green channel (rgb(100, 108, 99)), which gives #646C63 its character. If you plan to put text on a #646C63 background, choose white — the contrast ratio is 5.4:1 (passing WCAG AA), while black manages only 3.9:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#646C63 color variations

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

#646C63 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

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

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

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

Tetradic

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

Tetradic color scheme

Square

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

Square color scheme

Nearest named colors to #646C63

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

Chicane color link
Chicane

#686765

Triple Stack color link
Triple Stack

#656660

Granite Gray color link
Granite Gray

#676767

Double Tapa color link
Double Tapa

#6A6A5F

Storm Dust color link
Storm Dust

#646463

Port Phillip color link
Port Phillip

#647464

Dim Gray color link
Dim Gray

#696969

Traffic color link
Traffic

#6C6D68

Mid Grey color link
Mid Grey

#666A6D

Conversions between color systems and etc.

  • HEX#646C63
  • RGB100, 108, 99
  • CMYK3, 0, 4, 58
  • CSSrgb(100, 108, 99)
  • HSL113°, 4%, 41%
  • HSL Precise113.333°, 4.348%, 40.588%
  • HSV113°, 8%, 42%
  • HSB113°, 8%, 42%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.424
  • Normalized B (0.0–1.0)0.388
  • GLSLvec3(0.392, 0.424, 0.388)
  • GLSL with alphavec4(0.392, 0.424, 0.388, 1.000)
  • HLSL / Metalfloat3(0.392, 0.424, 0.388)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB42.4%
  • Percentage of Blue in RGB38.8%
  • Color FamilyGreen
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID646C63
  • DECIMAL ID6581347
  • Name LengthThis color has no name
  • Seen by search & AI crawlers20 times
  • Counting from2025-01-01