Information about #66B541 color

#66B541 color image

Basic facts about this digital color

In the Register's classification, #66B541 belongs to the Chartreuse Color Family, featuring Moderate Saturation and Light brightness. The mix behind it: rgb(102, 181, 65) — 40% red, 71% green, 25.5% blue; the print equivalent is CMYK 31 / 0 / 45 / 29. Curious how these numbers work? Read our RGB color codes guide.

#66B541 is a pleasantly vivid chartreuse that carries an easy, daylight feel. It is a natural fit for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a hair away from Apple (#66B447). Slightly further away sit Green Snake (#6CBB3C) and Wham (#5FB33A).

In RGB terms — rgb(102, 181, 65) — the green channel does the heavy lifting here. Accessibility-wise, black text works best on #66B541: 8.3:1 contrast (passing WCAG AAA) versus 2.5:1 for white. No one has named #66B541 so far. Register a name for it and it becomes a permanent record.

#66B541 color variations

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

#66B541 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 #66B541

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

Apple color link
Apple

#66B447

Green Snake color link
Green Snake

#6CBB3C

Wham color link
Wham

#5FB33A

Nasty Green color link
Nasty Green

#70B23F

Leaf color link
Leaf

#71AA34

Turtle Green color link
Turtle Green

#75B84F

Groovy color link
Groovy

#5CA345

Go color link
Go

#76AD4C

Leafy Green color link
Leafy Green

#51B73B

Conversions between color systems and etc.

  • HEX#66B541
  • RGB102, 181, 65
  • CMYK31, 0, 45, 29
  • CSSrgb(102, 181, 65)
  • HSL101°, 47%, 48%
  • HSL Precise100.862°, 47.154%, 48.235%
  • HSV101°, 64%, 71%
  • HSB101°, 64%, 71%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.710
  • Normalized B (0.0–1.0)0.255
  • GLSLvec3(0.400, 0.710, 0.255)
  • GLSL with alphavec4(0.400, 0.710, 0.255, 1.000)
  • HLSL / Metalfloat3(0.400, 0.710, 0.255)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB71%
  • Percentage of Blue in RGB25.5%
  • Color FamilyChartreuse
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID66B541
  • DECIMAL ID6731073
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01