Information about #66AD1C color

#66AD1C color image

Basic facts about this digital color

#66AD1C falls into the Chartreuse Color Family — High Saturation, Neutral brightness. Its exact recipe is rgb(102, 173, 28) — 40% red, 67.8% green, 11% blue — and for print it converts to CMYK 28 / 0 / 57 / 32. New to color codes? See our guide to RGB color codes.

The color #66AD1C reads as a energetic, saturated zesty chartreuse and holds a balanced mid-tone. Designers typically reach for tones like this for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a near neighbor of Christi (#71A91D). Its next-closest registered neighbors are Green Onion (#6AA121) and Cinnabar Green (#61B329).

The recipe behind #66AD1C is rgb(102, 173, 28), with green as the dominant ingredient. Accessibility-wise, black text works best on #66AD1C: 7.6:1 contrast (passing WCAG AAA) versus 2.8:1 for white. Out of 16,777,216 possible colors, #66AD1C is still unnamed — it can be claimed and named in The Official Register of Color Names.

#66AD1C color variations

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

#66AD1C 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 #66AD1C

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

Christi color link
Christi

#71A91D

Green Onion color link
Green Onion

#6AA121

Grass color link
Grass

#5CAC2D

Lima color link
Lima

#7AAC21

Alien Green color link
Alien Green

#6CC417

Limeade color link
Limeade

#5F9727

Leaf Green color link
Leaf Green

#5CA904

Leaf color link
Leaf

#71AA34

Kakapo color link
Kakapo

#5C9625

Kelly Green color link
Kelly Green

#4CBB17

Conversions between color systems and etc.

  • HEX#66AD1C
  • RGB102, 173, 28
  • CMYK28, 0, 57, 32
  • CSSrgb(102, 173, 28)
  • HSL89°, 72%, 39%
  • HSL Precise89.379°, 72.139%, 39.412%
  • HSV89°, 84%, 68%
  • HSB89°, 84%, 68%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.678
  • Normalized B (0.0–1.0)0.110
  • GLSLvec3(0.400, 0.678, 0.110)
  • GLSL with alphavec4(0.400, 0.678, 0.110, 1.000)
  • HLSL / Metalfloat3(0.400, 0.678, 0.110)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB67.8%
  • Percentage of Blue in RGB11%
  • Color FamilyChartreuse
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX ID66AD1C
  • DECIMAL ID6728988
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01