Information about #66A527 color

#66A527 color image

Basic facts about this digital color

#66A527 falls into the Chartreuse Color Family — High Saturation, Light brightness. Its exact recipe is rgb(102, 165, 39) — 40% red, 64.7% green, 15.3% blue — and for print it converts to CMYK 25 / 0 / 49 / 35. Curious how these numbers work? Read our RGB color codes guide.

The color #66A527 reads as a energetic, saturated zesty chartreuse and feels open and friendly. Expect to see shades like this in accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a hair away from Green Onion (#6AA121). Its next-closest registered neighbors are Grass (#5CAC2D) and Cinnabar Green (#61B329).

In RGB terms — rgb(102, 165, 39) — the green channel does the heavy lifting here. Accessibility-wise, black text works best on #66A527: 7.0:1 contrast (passing WCAG AA) versus 3.0:1 for white. Out of 16,777,216 possible colors, #66A527 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#66A527 color variations

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

#66A527 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 #66A527

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

Green Onion color link
Green Onion

#6AA121

Grass color link
Grass

#5CAC2D

Christi color link
Christi

#71A91D

Limeade color link
Limeade

#5F9727

Leaf color link
Leaf

#71AA34

Kakapo color link
Kakapo

#5C9625

Vida Loca color link
Vida Loca

#5F9228

Lima color link
Lima

#7AAC21

Olive Drab color link
Olive Drab

#6B8E23

Sushi color link
Sushi

#7C9F2F

Wham color link
Wham

#5FB33A

Conversions between color systems and etc.

  • HEX#66A527
  • RGB102, 165, 39
  • CMYK25, 0, 49, 35
  • CSSrgb(102, 165, 39)
  • HSL90°, 62%, 40%
  • HSL Precise90°, 61.765%, 40%
  • HSV90°, 76%, 65%
  • HSB90°, 76%, 65%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.647
  • Normalized B (0.0–1.0)0.153
  • GLSLvec3(0.400, 0.647, 0.153)
  • GLSL with alphavec4(0.400, 0.647, 0.153, 1.000)
  • HLSL / Metalfloat3(0.400, 0.647, 0.153)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB64.7%
  • Percentage of Blue in RGB15.3%
  • Color FamilyChartreuse
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID66A527
  • DECIMAL ID6726951
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01