Information about #66821E color

#66821E color image

Basic facts about this digital color

In the Register's classification, #66821E belongs to the Chartreuse Color Family, featuring High Saturation and Neutral brightness. The mix behind it: rgb(102, 130, 30) — 40% red, 51% green, 11.8% blue; the print equivalent is CMYK 11 / 0 / 39 / 49. Curious how these numbers work? Read our RGB color codes guide.

#66821E is a vivid, lively chartreuse that sits comfortably between light and dark. It is a natural fit for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is a near neighbor of Chrome Oxide Green (#668014). Nearby in the Register you will also find Olivedrab (#698B22) and Mossy Green (#638B27).

Technically, the mix leans on its green channel (rgb(102, 130, 30)), which gives #66821E its character. If you plan to put text on a #66821E background, choose black — the contrast ratio is 4.8:1 (passing WCAG AA), while white manages only 4.4:1. Out of 16,777,216 possible colors, #66821E is still unnamed — it can be claimed and named in The Official Register of Color Names.

#66821E color variations

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

#66821E 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 #66821E

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

Olivedrab color link
Olivedrab

#698B22

Mossy Green color link
Mossy Green

#638B27

Olive Drab color link
Olive Drab

#6B8E23

Dirty Green color link
Dirty Green

#667E2C

Bitter Lime color link
Bitter Lime

#648C11

Pacifika color link
Pacifika

#778120

Murky Green color link
Murky Green

#6C7A0E

Fiji Green color link
Fiji Green

#636F22

Vida Loca color link
Vida Loca

#5F9228

Rain Forest color link
Rain Forest

#667028

Fresh Onion color link
Fresh Onion

#5B8930

Conversions between color systems and etc.

  • HEX#66821E
  • RGB102, 130, 30
  • CMYK11, 0, 39, 49
  • CSSrgb(102, 130, 30)
  • HSL77°, 63%, 31%
  • HSL Precise76.8°, 62.5%, 31.373%
  • HSV77°, 77%, 51%
  • HSB77°, 77%, 51%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.510
  • Normalized B (0.0–1.0)0.118
  • GLSLvec3(0.400, 0.510, 0.118)
  • GLSL with alphavec4(0.400, 0.510, 0.118, 1.000)
  • HLSL / Metalfloat3(0.400, 0.510, 0.118)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB51%
  • Percentage of Blue in RGB11.8%
  • Color FamilyChartreuse
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX ID66821E
  • DECIMAL ID6717982
  • Name LengthThis color has no name
  • Seen by search & AI crawlers6 times
  • Counting from2025-01-01