Information about #666B65 color

#666B65 color image

Basic facts about this digital color

The digital color #666B65 is classified in the Register under the Green Color Family, with Desaturated and Light brightness. In numbers: rgb(102, 107, 101) (40% red, 42% green, 39.6% blue), or CMYK 2 / 0 / 2 / 58 for print. New to color codes? See our guide to RGB color codes.

#666B65 is a quiet, subdued balanced grey tone that feels open and friendly. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Chicane (#686765). Its next-closest registered neighbors are Granite Gray (#676767) and Double Trojan (#656664).

In RGB terms — rgb(102, 107, 101) — the green channel does the heavy lifting here. If you plan to put text on a #666B65 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.

#666B65 color variations

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

#666B65 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 #666B65

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

Chicane color link
Chicane

#686765

Granite Gray color link
Granite Gray

#676767

Dim Gray color link
Dim Gray

#696969

Traffic color link
Traffic

#6C6D68

Triple Stack color link
Triple Stack

#656660

Double Tapa color link
Double Tapa

#6A6A5F

Corduroy color link
Corduroy

#606E68

Storm Dust color link
Storm Dust

#646463

Cloudy Gray color link
Cloudy Gray

#6D6968

Mid Grey color link
Mid Grey

#666A6D

Scorpion color link
Scorpion

#6A6466

Conversions between color systems and etc.

  • HEX#666B65
  • RGB102, 107, 101
  • CMYK2, 0, 2, 58
  • CSSrgb(102, 107, 101)
  • HSL110°, 3%, 41%
  • HSL Precise110°, 2.885%, 40.784%
  • HSV110°, 6%, 42%
  • HSB110°, 6%, 42%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.420
  • Normalized B (0.0–1.0)0.396
  • GLSLvec3(0.400, 0.420, 0.396)
  • GLSL with alphavec4(0.400, 0.420, 0.396, 1.000)
  • HLSL / Metalfloat3(0.400, 0.420, 0.396)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB42%
  • Percentage of Blue in RGB39.6%
  • Color FamilyGreen
  • Saturation FamilyDesaturated
  • Lightness FamilyLight
  • HEX ID666B65
  • DECIMAL ID6712165
  • Name LengthThis color has no name
  • This page visited0 times
  • Counting from2025-01-01