Information about #66555B color

#66555B color image

Basic facts about this digital color

#66555B falls into the Rose Color Family — Desaturated, Neutral brightness. The mix behind it: rgb(102, 85, 91) — 40% red, 33.3% green, 35.7% blue; the print equivalent is CMYK 0 / 7 / 4 / 60. New to color codes? See our guide to RGB color codes.

A quiet, subdued grey, #66555B sits comfortably between light and dark. Designers typically reach for tones like this for balanced palettes where no single element should shout. In The Official Register of Color Names it is almost identical to Minx (#68535B). Nearby in the Register you will also find Zambezi (#6B5A5A) and Carbon Gray (#625D5D).

In RGB terms — rgb(102, 85, 91) — the red channel does the heavy lifting here. On this background, white text reaches a 7.0:1 contrast ratio (passing WCAG AA); black stays at 3.0:1. For print, note the heavy black component (K:60) — ink coverage matters with tones this deep. No one has named #66555B so far. Register a name for it and it becomes a permanent record.

#66555B color variations

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

#66555B 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 #66555B

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

Minx color link
Minx

#68535B

Zambezi color link
Zambezi

#6B5A5A

Carbon Gray color link
Carbon Gray

#625D5D

Wenge color link
Wenge

#645452

Fedora color link
Fedora

#625665

Gray Dolphin color link
Gray Dolphin

#5C5858

Matakana color link
Matakana

#685D63

Tinpan Alley color link
Tinpan Alley

#5C5B59

Pure Pewter color link
Pure Pewter

#666156

Conversions between color systems and etc.

  • HEX#66555B
  • RGB102, 85, 91
  • CMYK0, 7, 4, 60
  • CSSrgb(102, 85, 91)
  • HSL339°, 9%, 37%
  • HSL Precise338.824°, 9.091%, 36.667%
  • HSV339°, 17%, 40%
  • HSB339°, 17%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.333
  • Normalized B (0.0–1.0)0.357
  • GLSLvec3(0.400, 0.333, 0.357)
  • GLSL with alphavec4(0.400, 0.333, 0.357, 1.000)
  • HLSL / Metalfloat3(0.400, 0.333, 0.357)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB33.3%
  • Percentage of Blue in RGB35.7%
  • Color FamilyRose
  • Saturation FamilyDesaturated
  • Lightness FamilyNeutral
  • HEX ID66555B
  • DECIMAL ID6706523
  • Name LengthThis color has no name
  • Seen by search & AI crawlers28 times
  • Counting from2025-01-01