Information about #666E3A color

#666E3A color image

Basic facts about this digital color

The digital color #666E3A is classified in the Register under the Yellow Color Family, with Mild Saturation and Neutral brightness. Its exact recipe is rgb(102, 110, 58) — 40% red, 43.1% green, 22.7% blue — and for print it converts to CMYK 3 / 0 / 20 / 57. Curious how these numbers work? Read our RGB color codes guide.

A moderately toned sunny yellow, #666E3A holds a balanced mid-tone. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a near neighbor of Muddy Green (#657432). Its next-closest registered neighbors are Barmy Army (#607640) and Kiki Khaki (#70743E).

Technically, the mix leans on its green channel (rgb(102, 110, 58)), which gives #666E3A its character. If you plan to put text on a #666E3A background, choose white — the contrast ratio is 5.4:1 (passing WCAG AA), while black manages only 3.9:1. No one has named #666E3A so far. Register a name for it and it becomes a permanent record.

#666E3A color variations

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

#666E3A 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 #666E3A

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

Muddy Green color link
Muddy Green

#657432

Barmy Army color link
Barmy Army

#607640

Kiki Khaki color link
Kiki Khaki

#70743E

Chalet Green color link
Chalet Green

#5A6E41

Woodland color link
Woodland

#626746

Yellow Metal color link
Yellow Metal

#716338

Rain Forest color link
Rain Forest

#667028

Hemlock color link
Hemlock

#69684B

Khaki Grey color link
Khaki Grey

#725F3C

Limed Gum color link
Limed Gum

#6B5B3D

Conversions between color systems and etc.

  • HEX#666E3A
  • RGB102, 110, 58
  • CMYK3, 0, 20, 57
  • CSSrgb(102, 110, 58)
  • HSL69°, 31%, 33%
  • HSL Precise69.231°, 30.952%, 32.941%
  • HSV69°, 47%, 43%
  • HSB69°, 47%, 43%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.431
  • Normalized B (0.0–1.0)0.227
  • GLSLvec3(0.400, 0.431, 0.227)
  • GLSL with alphavec4(0.400, 0.431, 0.227, 1.000)
  • HLSL / Metalfloat3(0.400, 0.431, 0.227)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB43.1%
  • Percentage of Blue in RGB22.7%
  • Color FamilyYellow
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID666E3A
  • DECIMAL ID6712890
  • Name LengthThis color has no name
  • Seen by search & AI crawlers27 times
  • Counting from2025-01-01