Information about #666F5D color

#666F5D color image

Basic facts about this digital color

#666F5D falls into the Chartreuse Color Family — Desaturated, Light brightness. The mix behind it: rgb(102, 111, 93) — 40% red, 43.5% green, 36.5% blue; the print equivalent is CMYK 4 / 0 / 7 / 56. Curious how these numbers work? Read our RGB color codes guide.

#666F5D presents itself as a muted, almost neutral grey — one that carries an easy, daylight feel. It is a natural fit for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a hair away from Emma's Green Eyes (#677460). Slightly further away sit Double Tapa (#6A6A5F) and Willow Grove (#69755C).

In RGB terms — rgb(102, 111, 93) — the green channel does the heavy lifting here. Accessibility-wise, white text works best on #666F5D: 5.3:1 contrast (passing WCAG AA) versus 4.0:1 for black. No one has named #666F5D so far. Register a name for it and it becomes a permanent record.

#666F5D color variations

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

#666F5D 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 #666F5D

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

Double Tapa color link
Double Tapa

#6A6A5F

Willow Grove color link
Willow Grove

#69755C

Paddock color link
Paddock

#667156

Finlandia color link
Finlandia

#61755B

Climate color link
Climate

#6E6D5E

Axolotl color link
Axolotl

#63775B

Port Phillip color link
Port Phillip

#647464

Triple Stack color link
Triple Stack

#656660

Chicane color link
Chicane

#686765

Conversions between color systems and etc.

  • HEX#666F5D
  • RGB102, 111, 93
  • CMYK4, 0, 7, 56
  • CSSrgb(102, 111, 93)
  • HSL90°, 9%, 40%
  • HSL Precise90°, 8.824%, 40%
  • HSV90°, 16%, 44%
  • HSB90°, 16%, 44%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.435
  • Normalized B (0.0–1.0)0.365
  • GLSLvec3(0.400, 0.435, 0.365)
  • GLSL with alphavec4(0.400, 0.435, 0.365, 1.000)
  • HLSL / Metalfloat3(0.400, 0.435, 0.365)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB43.5%
  • Percentage of Blue in RGB36.5%
  • Color FamilyChartreuse
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID666F5D
  • DECIMAL ID6713181
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01