Information about #666D68 color

#666D68 color image

Basic facts about this digital color

#666D68 falls into the Spring Green Color Family — Desaturated, Light brightness. Its exact recipe is rgb(102, 109, 104) — 40% red, 42.7% green, 40.8% blue — and for print it converts to CMYK 3 / 0 / 2 / 57. New to color codes? See our guide to RGB color codes.

#666D68 is a muted, almost neutral neutral grey that carries an easy, daylight feel. In practice it works well for balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Dim Gray (#696969). Slightly further away sit Mid Grey (#666A6D) and Traffic (#6C6D68).

Technically, the mix leans on its green channel (rgb(102, 109, 104)), which gives #666D68 its character. On this background, white text reaches a 5.3:1 contrast ratio (passing WCAG AA); black stays at 4.0:1. #666D68 has no official name yet. If this shade means something to you, you can be the one to name it.

#666D68 color variations

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

#666D68 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 #666D68

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

Dim Gray color link
Dim Gray

#696969

Mid Grey color link
Mid Grey

#666A6D

Traffic color link
Traffic

#6C6D68

Corduroy color link
Corduroy

#606E68

Granite Gray color link
Granite Gray

#676767

Chicane color link
Chicane

#686765

Scarpa Flow color link
Scarpa Flow

#6B6A6C

Nevada color link
Nevada

#666F6F

Cloudy Gray color link
Cloudy Gray

#6D6968

Port Phillip color link
Port Phillip

#647464

Conversions between color systems and etc.

  • HEX#666D68
  • RGB102, 109, 104
  • CMYK3, 0, 2, 57
  • CSSrgb(102, 109, 104)
  • HSL137°, 3%, 41%
  • HSL Precise137.143°, 3.318%, 41.373%
  • HSV137°, 6%, 43%
  • HSB137°, 6%, 43%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.427
  • Normalized B (0.0–1.0)0.408
  • GLSLvec3(0.400, 0.427, 0.408)
  • GLSL with alphavec4(0.400, 0.427, 0.408, 1.000)
  • HLSL / Metalfloat3(0.400, 0.427, 0.408)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB42.7%
  • Percentage of Blue in RGB40.8%
  • Color FamilySpring Green
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID666D68
  • DECIMAL ID6712680
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01