Information about #66CC81 color

#66CC81 color image

Basic facts about this digital color

#66CC81 falls into the Spring Green Color FamilyModerate Saturation, Very Light brightness. Its exact recipe is rgb(102, 204, 129) — 40% red, 80% green, 50.6% blue — and for print it converts to CMYK 40 / 0 / 29 / 20. New to color codes? See our guide to RGB color codes.

#66CC81 is a pleasantly vivid fresh green-cyan that has a delicate, washed-out lightness. In practice it works well for airy backdrops, whitespace-heavy designs and gentle gradients. In The Official Register of Color Names it is very close to pumpcoin (#5ECB88). Slightly further away sit Soft Green (#6FC276) and Silver Tree (#67BE90).

The recipe behind #66CC81 is rgb(102, 204, 129), with green as the dominant ingredient. On this background, black text reaches a 10.5:1 contrast ratio (passing WCAG AAA); white stays at 2.0:1. #66CC81 has no official name yet. If this shade means something to you, you can be the one to name it.

#66CC81 color variations

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

#66CC81 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 #66CC81

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

pumpcoin color link
pumpcoin

#5ECB88

Soft Green color link
Soft Green

#6FC276

Silver Tree color link
Silver Tree

#67BE90

Fern color link
Fern

#71BC78

Emerald color link
Emerald

#50C878

Zombie Green color link
Zombie Green

#54C571

Pastel Green color link
Pastel Green

#77DD77

De York color link
De York

#85CA87

Mantis color link
Mantis

#74C365

Tea color link
Tea

#65AB7C

Conversions between color systems and etc.

  • HEX#66CC81
  • RGB102, 204, 129
  • CMYK40, 0, 29, 20
  • CSSrgb(102, 204, 129)
  • HSL136°, 50%, 60%
  • HSL Precise135.882°, 50%, 60%
  • HSV136°, 50%, 80%
  • HSB136°, 50%, 80%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.800
  • Normalized B (0.0–1.0)0.506
  • GLSLvec3(0.400, 0.800, 0.506)
  • GLSL with alphavec4(0.400, 0.800, 0.506, 1.000)
  • HLSL / Metalfloat3(0.400, 0.800, 0.506)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB80%
  • Percentage of Blue in RGB50.6%
  • Color FamilySpring Green
  • Saturation FamilyModerate Saturation
  • Lightness FamilyVery Light
  • HEX ID66CC81
  • DECIMAL ID6737025
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 times
  • Counting from2025-01-01